This part of IEC 61290 applies to all commercially available optical amplifiers (OA) and optically
amplified subsystems. It applies to OA using optically pumped fibres (OFA based on either rareearth
doped fibres or on the Raman effect), semiconductors (SOA), and waveguides (POWA).
NOTE 1 The applicability of the test methods described in this document to distributed Raman amplifiers is for
further study.
The object of this document is to establish uniform requirements for accurate and reliable
measurements, by means of the optical power meter test method, of the following OA
parameters, as defined in IEC 61291-1:
a) nominal output signal power;
b) gain;
c) polarization-dependent gain;
d) maximum output signal power;
e) maximum total output power.
NOTE 2 All numerical values followed by (‡) are suggested values for which the measurement is assured. Other
values can be acceptable upon verification.
This document applies to single-channel amplifiers. For multichannel amplifiers,
IEC 61290-10 (all parts) applies.

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IEC 61290-1-3:2021 is available as IEC 61290-1-3:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61290-1-3:2021 applies to all commercially available optical amplifiers (OA) and optically amplified subsystems. It applies to OA using optically pumped fibres (OFA based on either rare-earth doped fibres or on the Raman effect), semiconductors (SOA), and waveguides (POWA).
NOTE 1 The applicability of the test methods described in this document to distributed Raman amplifiers is for further study. The object of this document is to establish uniform requirements for accurate and reliable measurements, by means of the optical power meter test method, of the following OA parameters, as defined in IEC 61291-1:
- nominal output signal power;
- gain;
- polarization-dependent gain;
- maximum output signal power;
- maximum total output power.
NOTE 2 All numerical values followed by (‡) are suggested values for which the measurement is assured. Other values can be acceptable upon verification.
This document applies to single-channel amplifiers. For multichannel amplifiers,
IEC 61290-10 (all parts) applies. This fourth edition cancels and replaces the third edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- harmonization with IEC 61290-1-1;
- use of the term "measurement uncertainty" instead of "measurement accuracy".

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This part of IEC 61290 applies to all commercially available optical amplifiers (OAs) and
optically amplified modules. It applies to OAs using optical fibre amplifiers (OFAs) based on
either rare-earth doped fibres or on the Raman effect, semiconductor OAs (SOAs) and planar
optical waveguide amplifiers (POWAs).
The object of this document is to establish uniform requirements for accurate and reliable
measurements, by means of the optical spectrum analyzer (OSA) test method, of the following
OA parameters, as defined in IEC 61291-1:
a) nominal output signal power;
b) gain;
c) polarization-dependent gain (PDG);
d) maximum output signal power;
e) maximum total output power.
In addition, this document provides the test method of:
f) gain ripple (for SOAs).
NOTE All numerical values followed by (‡) are suggested values for which the measurement is assured.
The object of this document is specifically directed to single-channel amplifiers. Test methods
for multichannel amplifiers are standardized in IEC 61290-10 (all parts) [1]1.

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IEC 61290-1-1:2020 is available as IEC 61290-1-1:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61290-1-1:2020 applies to all commercially available optical amplifiers (OAs) and optically amplified modules. It applies to OAs using optical fibre amplifiers (OFAs) based on either rare-earth doped fibres or on the Raman effect, semiconductor OAs (SOAs) and planar optical waveguide amplifiers (POWAs). The object of this document is to establish uniform requirements for accurate and reliable measurements, by means of the optical spectrum analyzer (OSA) test method, of the following OA parameters, as defined in IEC 61291-1:
- nominal output signal power;
- gain;
- polarization-dependent gain (PDG);
- maximum output signal power;
- maximum total output power.
In addition, this document provides the test method of:
- gain ripple (for SOAs).
NOTE All numerical values followed by (‡) are suggested values for which the measurement is assured.
The object of this document is specifically directed to single-channel amplifiers. Test methods for multichannel amplifiers are standardized in IEC 61290-10 (all parts). This fourth edition cancels and replaces the third edition published in 2015 and constitutes a technical revision. This edition includes the following significant technical change with respect to the previous edition: addition of techniques to test gain ripple of SOAs.

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This part of IEC 62343 provides a performance specification template for wavelength selective
switches. The object is to provide a framework for the preparation of detail specifications on the
performance of wavelength selective switches.
Additional specification parameters are often included for detailed product specifications or
performance specifications if necessary. However, specification parameters specified in this
document are not removed from the detail product specifications or performance specifications.
The technical information regarding wavelength selective switches and their applications in
DWDM systems with single-mode fibres are described in IEC TR 62343-6-4.

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IEC TR 61292-3:2020 which is a Technical Report, establishes the classification of optical amplifiers (OAs). It also includes a brief description of each amplifier, its general properties, performance, configurations and applications. This second edition cancels and replaces the first edition published in 2003. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:  
document architecture now focuses on EDFA, FRA and SOA;
the description of PDFA and TDFA has been moved to the annexes;
the EDWA description has been deleted;
information on single channel amplification, multi-channel amplification, configuration and control method for EDFA, FRA and SOA has been added;
information on future amplifiers, arrayed amplifiers and SDM amplifiers has been added.

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IEC 62951-5:2019 specifies the test method for thermal characteristics of flexible materials. This document includes terms, definitions, symbols, and test methods that can be used to evaluate and determine thermal characteristics of flexible materials for practical use. The measurement method relies on non-contact optical thermometry that is based on temperature dependent optical reflectance. This document is applicable to both substrate and thin-film flexible semiconductor materials that are subjected to bending and stretching.

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IEC TR 61292-8:2019, which is a technical report, deals with high-power optical amplifiers. It provides general information relating to high-power optical amplifiers with an output power greater than 500 mW for the fibre communication field. It covers the following aspects:
- general information;
- example of the optical amplifier's configuration realizing high optical output power;
- test method for optical output power and gain;
- considerations on high-power optical amplifiers.
Potential applications of high-power optical amplifiers are briefly reviewed in Annex A.
Informative IEC documents related to high optical power are listed in Annex B.
Keywords: high-power amplifiers

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This part of IEC 61290-4 applies to optical amplifiers (OAs) and optically amplified elementary
sub-systems. More specifically, it applies to OAs using active fibres (optical fibre amplifiers,
OFAs) containing rare-earth dopants, such as erbium doped fibre amplifiers (EDFAs),
presently commercially available, as indicated in IEC 61291-1.
This document provides the general background for optical amplifier gain transients and their
measurements and indicates those IEC standard test methods for accurate and reliable
measurements of the following transient parameters:
a) optical input power increase/decrease transient gain overshoot and transient net gain
overshoot;
b) optical input power increase/decrease transient gain undershoot and transient net gain
undershoot;
c) optical input power increase/decrease gain offset;
d) optical input power increase/decrease transient gain response constant (settling time).
These parameters have been included to provide a complete description of the transient
behaviour of gain controlled OA. The parameters defined here are applicable if the amplifier is
an OFA or an alternative type of OA.

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IEC 61290-4-4:2018 applies to optical amplifiers (OAs) and optically amplified elementary sub-systems. More specifically, it applies to OAs using active fibres (optical fibre amplifiers, OFAs) containing rare-earth dopants, such as erbium doped fibre amplifiers (EDFAs), presently commercially available, as indicated in IEC 61291-1. This document provides the general background for optical amplifier gain transients and their measurements and indicates those IEC standard test methods for accurate and reliable measurements of the following transient parameters: a) optical input power increase/decrease transient gain overshoot and transient net gain overshoot; b) optical input power increase/decrease transient gain undershoot and transient net gain undershoot; c) optical input power increase/decrease gain offset; d) optical input power increase/decrease transient gain response constant (settling time). These parameters have been included to provide a complete description of the transient behaviour of gain controlled OA. The parameters defined here are applicable if the amplifier is an OFA or an alternative type of OA. Keywords: optical amplifiers (OAs) gain transients

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This part of IEC 61290 applies to output power controlled optically amplified, elementary
sub-systems. It applies to optical fibre amplifiers (OFAs) using active fibres containing
rare-earth dopants, presently commercially available, as indicated in IEC 61291-1, as well as
alternative optical amplifiers that can be used for single channel output power controlled
operation, such as semiconductor optical amplifiers (SOAs).
The object of this document is to provide the general background for optical amplifiers (OAs)
power transients and their measurements and to indicate those IEC standard test methods for
accurate and reliable measurements of the following transient parameters:
a) transient power response;
b) transient power overcompensation response;
c) steady-state power offset;
d) transient power response time.
The stimulus and responses behaviours under consideration include the following:
1) channel power increase (step transient);
2) channel power reduction (inverse step transient);
3) channel power increase/reduction (pulse transient);
4) channel power reduction/increase (inverse pulse transient);
5) channel power increase/reduction/increase (lightning bolt transient);
6) channel power reduction/increase/reduction (inverse lightning bolt transient).
These parameters have been included to provide a complete description of the transient
behaviour of an output power transient controlled OA. The test definitions defined here are
applicable if the amplifier is an OFA or an alternative OA. However, the description in
Annex A concentrates on the physical performance of an OFA and provides a detailed
description of the behaviour of an OFA; it does not give a similar description of other OA
types. Annex B provides a detailed description background of the dynamic phenomenon in
output power controlled amplifiers under transient conditions and Annex C details the impact
of speed of transient inputs.

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IEC 61290-4-3:2018 applies to output power controlled optically amplified, elementary sub‑systems. It applies to optical fibre amplifiers (OFAs) using active fibres containing rare‑earth dopants, presently commercially available, as indicated in IEC 61291-1, as well as alternative optical amplifiers that can be used for single channel output power controlled operation, such as semiconductor optical amplifiers (SOAs). The object of this document is to provide the general background for optical amplifiers (OAs) power transients and their measurements and to indicate those IEC standard test methods for accurate and reliable measurements of the following transient parameters: a) transient power response; b) transient power overcompensation response; c) steady-state power offset; d) transient power response time. The stimulus and responses behaviours under consideration include the following: 1. channel power increase (step transient); 2. channel power reduction (inverse step transient); 3. channel power increase/reduction (pulse transient); 4. channel power reduction/increase (inverse pulse transient); 5. channel power increase/reduction/increase (lightning bolt transient); 6. channel power reduction/increase/reduction (inverse lightning bolt transient). These parameters have been included to provide a complete description of the transient behaviour of an output power transient controlled OA. The test definitions defined here are applicable if the amplifier is an OFA or an alternative OA. However, the description in Annex A concentrates on the physical performance of an OFA and provides a detailed description of the behaviour of an OFA; it does not give a similar description of other OA types. Annex B provides a detailed description background of the dynamic phenomenon in output power controlled amplifiers under transient conditions and Annex C details the impact of speed of transient inputs.This second edition cancels and replaces the first edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical change with respect to the previous edition: alignment of the measure of amplified spontaneous emission (ASE) relative to signal power with the definition in IEC 61290-3-3. Keywords: optical amplifiers (OAs) power transients This International Standard is to be used in conjunction with IEC 61291-1:2012

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IEC 61290-4-4:2018 applies to optical amplifiers (OAs) and optically amplified elementary sub-systems. More specifically, it applies to OAs using active fibres (optical fibre amplifiers, OFAs) containing rare-earth dopants, such as erbium doped fibre amplifiers (EDFAs), presently commercially available, as indicated in IEC 61291-1. This document provides the general background for optical amplifier gain transients and their measurements and indicates those IEC standard test methods for accurate and reliable measurements of the following transient parameters:
a) optical input power increase/decrease transient gain overshoot and transient net gain overshoot;
b) optical input power increase/decrease transient gain undershoot and transient net gain undershoot;
c) optical input power increase/decrease gain offset;
d) optical input power increase/decrease transient gain response constant (settling time).
These parameters have been included to provide a complete description of the transient behaviour of gain controlled OA. The parameters defined here are applicable if the amplifier is an OFA or an alternative type of OA.
Keywords: optical amplifiers (OAs) gain transients

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This part of IEC 61291 applies to all commercially available optical amplifiers (OAs) and
optically amplified assemblies. It applies to OAs using optically pumped fibres (OFAs based
either on rare-earth doped fibres or on the Raman effect), semiconductors (SOAs), and
waveguides (POWAs).
The object of this document is
– to establish uniform requirements for transmission, operation, reliability and environmental
properties of OAs, and
– to provide assistance to the purchaser in the selection of consistently high-quality OA
products for his particular applications.
Parameters specified for OAs are those characterizing the transmission, operation, reliability
and environmental properties of the OA seen as a "black box" from a general point of view. In
the sectional and detail specifications a subset of these parameters will be specified
according to the type and application of the particular OA device or assembly.

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IEC 61290-4-3:2018 applies to output power controlled optically amplified, elementary sub‑systems. It applies to optical fibre amplifiers (OFAs) using active fibres containing rare‑earth dopants, presently commercially available, as indicated in IEC 61291-1, as well as alternative optical amplifiers that can be used for single channel output power controlled operation, such as semiconductor optical amplifiers (SOAs). The object of this document is to provide the general background for optical amplifiers (OAs) power transients and their measurements and to indicate those IEC standard test methods for accurate and reliable measurements of the following transient parameters:
a) transient power response;
b) transient power overcompensation response;
c) steady-state power offset;
d) transient power response time.
The stimulus and responses behaviours under consideration include the following:
1. channel power increase (step transient);
2. channel power reduction (inverse step transient);
3. channel power increase/reduction (pulse transient);
4. channel power reduction/increase (inverse pulse transient);
5. channel power increase/reduction/increase (lightning bolt transient);
6. channel power reduction/increase/reduction (inverse lightning bolt transient).
These parameters have been included to provide a complete description of the transient behaviour of an output power transient controlled OA. The test definitions defined here are applicable if the amplifier is an OFA or an alternative OA. However, the description in Annex A concentrates on the physical performance of an OFA and provides a detailed description of the behaviour of an OFA; it does not give a similar description of other OA types. Annex B provides a detailed description background of the dynamic phenomenon in output power controlled amplifiers under transient conditions and Annex C details the impact of speed of transient inputs.This second edition cancels and replaces the first edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical change with respect to the previous edition: alignment of the measure of amplified spontaneous emission (ASE) relative to signal power with the definition in IEC 61290-3-3.
Keywords: optical amplifiers (OAs) power transients
This International Standard is to be used in conjunction with IEC 61291-1:2012

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IEC 61291-1:2018 applies to all commercially available optical amplifiers (OAs) and optically amplified assemblies. It applies to OAs using optically pumped fibres (OFAs based either on rare-earth doped fibres or on the Raman effect), semiconductors (SOAs), and waveguides (POWAs). The object of this document is - to establish uniform requirements for transmission, operation, reliability and environmental properties of OAs, and - to provide assistance to the purchaser in the selection of consistently high-quality OA products for his particular applications. Parameters specified for OAs are those characterizing the transmission, operation, reliability and environmental properties of the OA seen as a "black box" from a general point of view. In the sectional and detail specifications a subset of these parameters will be specified according to the type and application of the particular OA device or assembly. This fourth edition cancels and replaces the third edition published in 2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - terms have been added for parameters from IEC 61290-4-3 and IEC 61290-10-5; - Clause 4 Classification has been removed, since this system is judged to be unused; - the definition of polarization mode dispersion (PMD) has been simplified. Keywords: optical amplifiers (OAs)

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IEC 61291-1:2018 applies to all commercially available optical amplifiers (OAs) and optically amplified assemblies. It applies to OAs using optically pumped fibres (OFAs based either on rare-earth doped fibres or on the Raman effect), semiconductors (SOAs), and waveguides (POWAs). The object of this document is
- to establish uniform requirements for transmission, operation, reliability and environmental properties of OAs, and
- to provide assistance to the purchaser in the selection of consistently high-quality OA products for his particular applications.
Parameters specified for OAs are those characterizing the transmission, operation, reliability and environmental properties of the OA seen as a "black box" from a general point of view. In the sectional and detail specifications a subset of these parameters will be specified according to the type and application of the particular OA device or assembly. This fourth edition cancels and replaces the third edition published in 2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- terms have been added for parameters from IEC 61290-4-3 and IEC 61290-10-5;
- Clause 4 Classification has been removed, since this system is judged to be unused;
- the definition of polarization mode dispersion (PMD) has been simplified.
Keywords: optical amplifiers (OAs)

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IEC TR 61292-9:2017(E) which is a Technical Report, focuses on semiconductor optical amplifiers (SOAs), especially the specific features and measurement of gain and polarization dependent gain (PDG). In this document, only the amplifying application of SOAs is described. Other applications, such as modulation, switching and non-linear functions, are not covered. Potential applications of SOAs, however, such as reflective SOAs (RSOAs) for the seeded wavelength division multiplexing passive optical network (WDM-PON), are briefly reviewed in Annex A. This second edition cancels and replaces the first edition published in 2013. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) addition of new terms;
b) clarification of noise figure definition.
Keywords: semiconductor optical amplifiers (SOAs), gain and polarization dependent gain (PDG)

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This part of IEC 61291 applies to optical amplifiers (OAs) and optically amplified, elementary
sub-systems for terrestrial applications, using active fibres (optical fibre amplifiers (OFAs))
containing rare-earth dopants, which are commercially available.
The black box approach is used in this document. The black box approach is adopted in order
to give product specifications which are independent of OA implementation details. For
reliability qualification purposes, some information about the internal components is needed;
these internal parts are themselves treated as black boxes. This document gives
requirements for the evaluation of OA reliability by combining the reliability of such internal
black boxes.
The object of this document is to specify the minimum list of reliability qualification tests,
requirements on failure criteria during testing and on reliability predictions, and give the
relevant normative references to establish a standard method for the assessment of the
reliability of OFA devices and sub-systems in order to minimize risks and to promote product
development and reliability qualification.

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IEC 61291-5-2:2017(E) applies to optical amplifiers (OAs) and optically amplified, elementary sub-systems for terrestrial applications, using active fibres (optical fibre amplifiers (OFAs)) containing rare-earth dopants, which are commercially available. The black box approach is used in this document. The black box approach is adopted in order to give product specifications which are independent of OA implementation details. For reliability qualification purposes, some information about the internal components is needed; these internal parts are themselves treated as black boxes. This document gives requirements for the evaluation of OA reliability by combining the reliability of such internal black boxes. The object of this document is to specify the minimum list of reliability qualification tests, requirements on failure criteria during testing and on reliability predictions, and give the relevant normative references to establish a standard method for the assessment of the reliability of OFA devices and sub-systems in order to minimize risks and to promote product development and reliability qualification. This second edition cancels and replaces the first edition published in 2002. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) removal of the contents on the relating quality management system from scope, terms and definitions, and the reliability requirements; b) moving fit-rate calculation to Annex B (informative); c) change of requirements for shock test; d) amendment of abbreviations related to changes a) and b).
Keywords: optical amplifiers (OAs), optical fibre amplifiers (OFAs)

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IEC 61291-5-2:2017 applies to optical amplifiers (OAs) and optically amplified, elementary sub-systems for terrestrial applications, using active fibres (optical fibre amplifiers (OFAs)) containing rare-earth dopants, which are commercially available. The black box approach is used in this document. The black box approach is adopted in order to give product specifications which are independent of OA implementation details. For reliability qualification purposes, some information about the internal components is needed; these internal parts are themselves treated as black boxes. This document gives requirements for the evaluation of OA reliability by combining the reliability of such internal black boxes. The object of this document is to specify the minimum list of reliability qualification tests, requirements on failure criteria during testing and on reliability predictions, and give the relevant normative references to establish a standard method for the assessment of the reliability of OFA devices and sub-systems in order to minimize risks and to promote product development and reliability qualification. This second edition cancels and replaces the first edition published in 2002. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) removal of the contents on the relating quality management system from scope, terms and definitions, and the reliability requirements;
b) moving fit-rate calculation to Annex B (informative);
c) change of requirements for shock test;
d) amendment of abbreviations related to changes a) and b).
The contents of the corrigendum of May 2019 have been included in this copy.

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This part of IEC 61290-4 applies to optical amplifiers (OAs) using active fibres (optical fibre
amplifiers (OFAs)) containing rare-earth dopants including erbium-doped fibre amplifiers
(EDFAs) and optically amplified elementary sub-systems. These amplifiers are commercially
available and widely deployed in service provider networks.
The object of document is to provide the general background for OFA transients and related
parameters, and to describe a standard test method for accurate and reliable measurement of
the following transient parameters:
a) channel addition or removal transient gain overshoot and transient net gain overshoot;
b) channel addition or removal transient gain undershoot and transient net gain undershoot;
c) channel addition or removal gain offset;
d) channel addition or removal transient gain response time constant (settling time).

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IEC 61290-4-1:2016 applies to optical amplifiers (OAs) using active fibres (optical fibre amplifiers (OFAs)) containing rare-earth dopants including erbium-doped fibre amplifiers (EDFAs) and optically amplified elementary sub-systems. These amplifiers are commercially available and widely deployed in service provider networks. The object of document is to provide the general background for OFA transients and related parameters, and to describe a standard test method for accurate and reliable measurement of the following transient parameters: - channel addition or removal transient gain overshoot and transient net gain overshoot; - channel addition or removal transient gain undershoot and transient net gain undershoot; - channel addition or removal gain offset; - channel addition or removal transient gain response time constant (settling time). This second edition cancels and replaces the first edition published in 2011. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - extended the applicability from only EDFAs to all OFAs; - updated definitions for consistency with other documents in the IEC 61290-4 series. Keywords: optical amplifiers (OAs), optical fibre amplifiers (OFAs), rare-earth dopants, erbium-doped fibre amplifiers

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IEC 61605:2016 specifies marking codes for fixed inductors. It covers the inductance values and their tolerances as well as dates. This edition includes the following significant technical changes with respect to the previous edition:
a) The date code system for fixed inductors has been updated.

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IEC 61290-4-1:2016 applies to optical amplifiers (OAs) using active fibres (optical fibre amplifiers (OFAs)) containing rare-earth dopants including erbium-doped fibre amplifiers (EDFAs) and optically amplified elementary sub-systems. These amplifiers are commercially available and widely deployed in service provider networks. The object of document is to provide the general background for OFA transients and related parameters, and to describe a standard test method for accurate and reliable measurement of the following transient parameters:
- channel addition or removal transient gain overshoot and transient net gain overshoot;
- channel addition or removal transient gain undershoot and transient net gain undershoot;
- channel addition or removal gain offset;
- channel addition or removal transient gain response time constant (settling time). This second edition cancels and replaces the first edition published in 2011. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- extended the applicability from only EDFAs to all OFAs;
- updated definitions for consistency with other documents in the IEC 61290-4 series. Keywords: optical amplifiers (OAs), optical fibre amplifiers (OFAs), rare-earth dopants, erbium-doped fibre amplifiers

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IEC 61291-2:2012 applies to single channel optical amplifier (OA) devices to be used in digital applications. For multichannel applications, use IEC 61291, Part 4. The object of this performance specification template is to provide a frame for the preparation of detail specifications on the performances of single channel OA devices to be used in digital applications. This edition  constitutes a minor update through clarification that the scope is for single channel optical amplifiers, and that pump leakage parameters do not apply to semiconductor optical amplifiers.

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IEC 61291-2:2012 applies to single channel optical amplifier (OA) devices to be used in digital applications. For multichannel applications, use IEC 61291, Part 4. The object of this performance specification template is to provide a frame for the preparation of detail specifications on the performances of single channel OA devices to be used in digital applications. This edition constitutes a minor update through clarification that the scope is for single channel optical amplifiers, and that pump leakage parameters do not apply to semiconductor optical amplifiers.

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IEC 61291-2:2016 provides a performance specification template which applies to optical amplifiers (OAs) to be used in single channel applications. Multichannel applications are covered in IEC 61291-4. The object of this performance specification template is to provide a frame for the preparation of performance standards and/or product specifications on the performance of OA devices to be used in single channel applications. In the performance standards or product specifications, other specifications such as ratings, operating conditions, tests and pass/fail criteria could be included in addition to the requirements based on this performance specification template. Product specification writers may add specification parameters and/or groups of specification parameters for particular applications. However, product specification writers should not remove specification parameters specified in this standard. This fourth edition cancels and replaces the third edition published in 2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- the title of this standard has been changed from digital applications to single channel applications;
- the scope has been changed and, as a result, the titles of tables have been changed;
- Terms and definitions have been revised;
- three tables regarding the minimum list of relevant parameters of power amplifiers, pre-amplifiers and line amplifiers based on semiconductor optical amplifier (SOA) components have been added;
- transient parameters have been added in the minimum list of relevant parameters of pre-amplifiers and line amplifiers based on optical fibre amplifier (OFA) module. Keywords: optical amplifiers (OAs) used in single channel applications

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  • Standard
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IEC 62343-1-2:2015 contains the recommended minimum initialization test and measurement requirements and severities for optical tuneable chromatic dispersion compensators (TDC). This second edition cancels and replaces the first edition published in 2007. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - substantial addition of definitions and removal of type C performances; - change in the title to reflect standard terminology. Keywords: optical tuneable chromatic dispersion compensators (TDC)

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This part of IEC 61290 applies to all commercially available optical amplifiers (OAs) and
optically amplified modules. It applies to OAs using optically pumped fibres (OFAs based on
either rare-earth doped fibres or on the Raman effect), semiconductor OAs (SOAs) and planar
optical waveguide amplifiers (POWAs).
The object of this standard is to establish uniform requirements for accurate and reliable
measurements, by means of the optical spectrum analyzer test method, of the following OA
parameters, as defined in IEC 61291-1:
a) nominal output signal power;
b) gain;
c) polarization-dependent gain;
d) maximum output signal power;
e) maximum total output power.
NOTE All numerical values followed by (‡) are suggested values for which the measurement is assured.
The object of this standard is specifically directed to single-channel amplifiers. For
multichannel amplifiers, one should refer to the IEC 61290-10 series [1]2.

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This part of IEC 62343 contains the measurement method of gain tilt settling time for a
dynamic gain tilt equalizer (DGTE) to change its gain tilt from an arbitrary initial value to a
desired target value.

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This part of 61290 applies to all commercially available optical amplifiers (OAs) and optically
amplified subsystems. It applies to OAs using optically pumped fibres (OFAs based on either
rare-earth doped fibres or on the Raman effect), semiconductors (SOAs), and waveguides
(POWAs).
NOTE 1 The applicability of the test methods described in the present standard to distributed Raman amplifiers is
still under study.
The object of this standard is to establish uniform requirements for accurate and reliable
measurements of the following OA parameters, as defined in Clause 3 of IEC 61291-1:2012:
a) nominal output signal power;
b) gain;
c) reverse gain;
d) maximum gain;
e) maximum gain wavelength;
f) maximum gain variation with temperature;
g) gain wavelength band;
h) gain wavelength variation;
i) gain stability;
j) polarization-dependent gain;
k) large-signal output stability;
l) saturation output power;
m) maximum output signal power;
n) maximum total output power.
NOTE 2 All numerical values followed by (‡).are suggested values for which the measurement is assured. Other
values are acceptable if verified.
The object of this standard is specifically directed to single-channel amplifiers. For
multichannel amplifiers, one should refer to the IEC 61290-10 series.

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This part of IEC 61290-1 applies to all commercially available optical amplifiers (OA) and
optically amplified subsystems. It applies to OA using optically pumped fibres (OFA based on
either rare-earth doped fibres or on the Raman effect), semiconductors (SOA), and
waveguides (POWA).
NOTE The applicability of the test methods described in the present standard to distributed Raman amplifiers is
for further study.
The object of this part of IEC 61290-1 is to establish uniform requirements for accurate and
reliable measurements, by means of the optical power meter test method, of the following OA
parameters, as defined in IEC 61291-1:
a) nominal output signal power;
b) gain;
c) polarization-dependent gain;
d) maximum output signal power;
e) maximum total output power.
All numerical values followed by (‡) are suggested values for which the measurement is
assured. Other values may be acceptable but should be verified.
This part of IEC 61290-1 applies to single-channel amplifiers. For multichannel amplifiers, the
IEC 61290-10 series applies.

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IEC 61290-1-1:2015(E) applies to all commercially available optical amplifiers (OAs) and optically amplified modules. It applies to OAs using optically pumped fibres (OFAs based on either rare-earth doped fibres or on the Raman effect), semiconductor OAs (SOAs) and planar optical waveguide amplifiers (POWAs). The object of this standard is to establish uniform requirements for accurate and reliable measurements, by means of the optical spectrum analyzer test method, of the following OA parameters, as defined in IEC 61291-1: - nominal output signal power; - gain; - polarization-dependent gain; - maximum output signal power; - maximum total output power. The object of this standard is specifically directed to single-channel amplifiers. For multichannel amplifiers, one should refer to the IEC 61290-10 series. This third edition cancels and replaces the second edition published in 2006 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: updates on the characteristics of measurement apparatus and revised list of addressed optical amplifier parameters. Keywords: optical amplifiers, optical spectrum analyzer test, single-channel amplifiers

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IEC 62343-1-2:2015 contains the recommended minimum initialization test and measurement requirements and severities for optical tuneable chromatic dispersion compensators (TDC). This second edition cancels and replaces the first edition published in 2007. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- substantial addition of definitions and removal of type C performances;
- change in the title to reflect standard terminology. Keywords: optical tuneable chromatic dispersion compensators (TDC)

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    21 pages
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IEC 61290-1-3:2015 applies to all commercially available optical amplifiers (OA) and optically amplified subsystems. It applies to OA using optically pumped fibres (OFA based on either rare-earth doped fibres or on the Raman effect), semiconductors (SOA), and waveguides (POWA). The object of this part of IEC 61290-1 is to establish uniform requirements for accurate and reliable measurements, by means of the optical power meter test method, of the following OA parameters, as defined in IEC 61291-1: - nominal output signal power; - gain; - polarization-dependent gain; - maximum output signal power; - maximum total output power. All numerical values followed by (‡) are suggested values for which the measurement is assured. Other values may be acceptable but should be verified. This part of IEC 61290-1 applies to single-channel amplifiers. For multichannel amplifiers, the IEC 61290-10 series applies. This third edition cancels and replaces the second edition published in 2005. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - Detail description of most parameters has been described in IEC 61290-1 and removed from this part; - Description of maximum output signal power and maximum total output power are added. Keywords: optical amplifiers (OA), single-channel amplifiers, optical power meter test method

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IEC 61290-1-1:2015 applies to all commercially available optical amplifiers (OAs) and optically amplified modules. It applies to OAs using optically pumped fibres (OFAs based on either rare-earth doped fibres or on the Raman effect), semiconductor OAs (SOAs) and planar optical waveguide amplifiers (POWAs). The object of this standard is to establish uniform requirements for accurate and reliable measurements, by means of the optical spectrum analyzer test method, of the following OA parameters, as defined in IEC 61291-1:
- nominal output signal power;
- gain;
- polarization-dependent gain;
- maximum output signal power;
- maximum total output power. The object of this standard is specifically directed to single-channel amplifiers. For multichannel amplifiers, one should refer to the IEC 61290-10 series. This third edition cancels and replaces the second edition published in 2006 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: updates on the characteristics of measurement apparatus and revised list of addressed optical amplifier parameters. Keywords: optical amplifiers, optical spectrum analyzer test, single-channel amplifiers

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This part of IEC 61290 applies to distributed Raman amplifiers (DRAs). DRAs are based on
the process whereby Raman pump power is introduced into the transmission fibre, leading to
signal amplification within the transmission fibre through stimulated Raman scattering.
A detailed overview of the technology and applications of DRAs can be found in
IEC TR 61292-6.
A fundamental difference between these amplifiers and discrete amplifiers, such as EDFAs, is
that the latter can be described using a black box approach with well-defined input and output
ports. On the other hand, a DRA is basically a pump module, with the actual amplification
process taking place along the transmission fibre. This difference means that standard
methods described in other parts of IEC 61290 for measuring amplifier parameters, such as
gain and noise figure, cannot be applied without modification.
The object of this standard is to establish uniform requirements for accurate and reliable
measurements, using an optical spectrum analyser (OSA), of the following DRA parameters:
a) channel on-off gain;
b) pump unit insertion loss;
c) channel net gain;
d) channel signal-spontaneous noise figure.
The measurement method is largely based on the interpolated source subtraction (ISS)
method using an optical spectrum analyser, as described and elaborated in IEC 61290-10-4,
with relevant modifications relating to a DRA.
All numerical values followed by (‡) are suggested values for which the measurement is
assured. Other values may be acceptable but should be verified.
NOTE General aspects of noise figure test methods are reported in IEC 61290-3.

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IEC 61290-1-3:2015 applies to all commercially available optical amplifiers (OA) and optically amplified subsystems. It applies to OA using optically pumped fibres (OFA based on either rare-earth doped fibres or on the Raman effect), semiconductors (SOA), and waveguides (POWA). The object of this part of IEC 61290-1 is to establish uniform requirements for accurate and reliable measurements, by means of the optical power meter test method, of the following OA parameters, as defined in IEC 61291-1:
- nominal output signal power;
- gain;
- polarization-dependent gain;
- maximum output signal power;
- maximum total output power. All numerical values followed by (‡) are suggested values for which the measurement is assured. Other values may be acceptable but should be verified. This part of IEC 61290-1 applies to single-channel amplifiers. For multichannel amplifiers, the IEC 61290-10 series applies. This third edition cancels and replaces the second edition published in 2005. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- Detail description of most parameters has been described in IEC 61290-1 and removed from this part;
- Description of maximum output signal power and maximum total output power are added. Keywords: optical amplifiers (OA), single-channel amplifiers, optical power meter test method
This publication is to be read in conjunction with IEC 61290-1:2014.

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    33 pages
    English and French language
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IEC 61290-1:2014 applies to all commercially available optical amplifiers (OAs) and optically amplified subsystems. It applies to OAs using optically pumped fibres (OFAs based on either rare-earth doped fibres or on the Raman effect), semiconductors (SOAs), and waveguides (POWAs). The object of this standard is to establish uniform requirements for accurate and reliable measurements of the following OA parameters, as defined in Clause 3 of IEC 61291-1:2012: - nominal output signal power; - gain; - reverse gain; - maximum gain; - maximum gain wavelength; - maximum gain variation with temperature; - gain wavelength band; - gain wavelength variation; - gain stability; - polarization-dependent gain; - large-signal output stability; - saturation output power; - maximum output signal power; - maximum total output power. The object of this standard is specifically directed to single-channel amplifiers. For multichannel amplifiers, one should refer to the IEC 61290-10 series. Keywords: optical amplifiers (OAs), optically pumped fibres (OFAs), semiconductors (SOAs), and waveguides (POWAs)

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    17 pages
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IEC 61290-1:2014 applies to all commercially available optical amplifiers (OAs) and optically amplified subsystems. It applies to OAs using optically pumped fibres (OFAs based on either rare-earth doped fibres or on the Raman effect), semiconductors (SOAs), and waveguides (POWAs). The object of this standard is to establish uniform requirements for accurate and reliable measurements of the following OA parameters, as defined in Clause 3 of IEC 61291-1:2012:
- nominal output signal power;
- gain;
- reverse gain;
- maximum gain;
- maximum gain wavelength;
- maximum gain variation with temperature;
- gain wavelength band;
- gain wavelength variation;
- gain stability;
- polarization-dependent gain;
- large-signal output stability;
- saturation output power;
- maximum output signal power;
- maximum total output power. The object of this standard is specifically directed to single-channel amplifiers. For multichannel amplifiers, one should refer to the IEC 61290-10 series. Keywords: optical amplifiers (OAs), optically pumped fibres (OFAs), semiconductors (SOAs), and waveguides (POWAs)

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    28 pages
    English and French language
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IEC/TR 61292-4:2014(E) which is a technical report, applies to all commercially available optical amplifiers (OAs), including optical fibre amplifiers (OFAs) using active fibres, as well as Raman amplifiers. Semiconductor optical amplifiers (SOAs) using semiconductor gain media are also included. This technical report provides a simple informative guideline on the threshold of high optical power that causes high-temperature damage of fibre. Also discussed is optical safety for manufacturers and users of optical amplifiers by reiterating substantial parts of existing standards and agreements on eye and skin safety. It is important to point out that the reader should always refer to the latest international standards and agreements because the technologies concerned are rapidly evolving. The present technical report will be frequently reviewed and will be updated by incorporating the results of various studies related to OAs and OA-supported optical systems in a timely manner. This third edition cancels and replaces the second edition, published in 2010, and constitutes a technical revision with updates reflecting new research in the subject area. Keywords: guideline on the threshold of high optical power, maximum permissible optical power, optical amplifiers, Raman amplifiers, semiconductor optical amplifiers (SOAs)

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    31 pages
    English language
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EN IEC 62343-2 applies to dynamic modules and devices (DMs) which are commercially available. Examples are tuneable chromatic dispersion compensators, wavelength selective switches and optical channel monitors. Optical amplifiers are not included in this list, but are treated in IEC 61291-5-2. For reliability qualification purposes, some information about the internal components, parts and interconnections is needed; these internal parts are treated as black boxes. This standard gives requirements for the evaluation of DM reliability by combining the reliability of such internal black boxes. The objectives of this standard are the following: • to specify the requirements for the reliability qualification of DMs; • to give the minimum list of reliability qualification tests, requirements on failure criteria during testing and on reliability predictions, and give the relevant normative references.

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EN IEC 62343-3-3 provides a performance specification template for wavelength selective switches. The object is to provide a framework for the preparation of detail specifications on the performance of wavelength selective switches. Additional specification parameters may be included for detailed product specifications or performance specifications. However, specification parameters specified in this standard shall not be removed from the detail product specifications or performance specifications. The technical information regarding wavelength selective switches, and their applications in DWDM systems will be described in IEC TR 62343-6-4, currently under consideration.

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IEC 61290-10-5:2014 applies to distributed Raman amplifiers (DRAs). DRAs are based on the process whereby Raman pump power is introduced into the transmission fibre, leading to signal amplification within the transmission fibre through stimulated Raman scattering. A detailed overview of the technology and applications of DRAs can be found in IEC TR 61292-6. The object of this standard is to establish uniform requirements for accurate and reliable measurements, using an optical spectrum analyser (OSA), of the following DRA parameters: - channel on-off gain; - pump unit insertion loss; - channel net gain; - channel signal-spontaneous noise figure. Keywords: Raman amplifiers (DRAs), optical spectrum analyser (OSA)

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IEC 61290-10-5:2014 applies to distributed Raman amplifiers (DRAs). DRAs are based on the process whereby Raman pump power is introduced into the transmission fibre, leading to signal amplification within the transmission fibre through stimulated Raman scattering. A detailed overview of the technology and applications of DRAs can be found in IEC TR 61292-6. The object of this standard is to establish uniform requirements for accurate and reliable measurements, using an optical spectrum analyser (OSA), of the following DRA parameters:
- channel on-off gain;
- pump unit insertion loss;
- channel net gain;
- channel signal-spontaneous noise figure. Keywords: Raman amplifiers (DRAs), optical spectrum analyser (OSA)

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    43 pages
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This part of IEC 61290-3 applies to all commercially available single channel optical amplifiers (OAs), including OAs using optically pumped fibres (OFAs) based on either rare-earth doped fibres or on the Raman effect, semiconductor optical amplifier modules (SOA modules) and planar optical waveguide amplifiers (POWAs). More specifically, it applies to single channel OAs placed before optical receivers, where there are no optical bandpass filtering elements placed between the OA and the receiver.
The object of this part of IEC 61290-3 is to establish uniform requirements for accurate and reliable measurement of the ratio of the signal output power to the total ASE power generated by the OA in the optical bandwidth of the receiver. This quantity is a measure of the spontaneous-spontaneous beat noise at the receiver, and is correlated to the spontaneousspontaneous
noise factor of the OA, Fsp-sp, as defined in IEC 61290-3 and IEC 61291-1. IEC 61290-3-1 describes a measurement method, using an optical spectrum analyzer, OSA, for the signal-spontaneous noise factor Fsig−sp but does not describe a method for measuring Fsp-sp. IEC 61290-3-2 describes a measurement method, using an electrical spectrum analyzer (ESA), for the total noise factor Fsp-sp + Fsig-sp. However, this method does not allow Fsp-sp to be measured separately, and therefore does not provide a means of directly quantifying the effect of spontaneous-spontaneous beat noise at the receiver. This part of IEC 61290-3 complements IEC 61290-3-1 and IEC 61290-3-2 in that it provides such a means. Two measurement methods are provided for the ratio of the signal output power to the total ASE power. The first method uses an OSA, while the second method uses a bandpass filter and an optical power meter.

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IEC 61290-3-3:2013 applies to all commercially available single channel optical amplifiers (OAs), including OAs using optically pumped fibres (OFAs) based on either rare-earth doped fibres or on the Raman effect, semiconductor optical amplifier modules (SOA modules) and planar optical waveguide amplifiers (POWAs). More specifically, it applies to single channel OAs placed before optical receivers, where there are no optical bandpass filtering elements placed between the OA and the receiver. The object of this part of IEC 61290-3 is to establish uniform requirements for accurate and reliable measurement of the ratio of the signal output power to the total ASE power generated by the OA in the optical bandwidth of the receiver. This quantity is a measure of the spontaneous-spontaneous beat noise at the receiver, and is correlated to the spontaneous-spontaneous noise factor of the OA, Fsp-sp, as defined in IEC 61290-3 and IEC 61291-1. Keywords: single channel optical amplifiers (OAs), semiconductor optical amplifier modules (SOA modules), planar optical waveguide amplifiers (POWAs), measurement of the ratio of the signal output power to the total ASE power generated by the OA in the optical bandwidth of the receiver

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