Optical amplifiers - Test methods - Part 1: Power and gain parameters (IEC 61290-1:2022)

This part of IEC 61290 applies to all commercially available optical amplifiers (OAs) and
optically amplified subsystems. It applies to OAs using optically pumped fibres (optical fibre
amplifiers (OFAs) based on either rare-earth doped fibres or on the Raman effect),
semiconductors (semiconductor optical amplifiers (SOAs)), and waveguides (planar optical
waveguide amplifiers (POWAs)). It is specifically directed to single-channel amplifiers. Test
methods for multichannel amplifiers are defined in the IEC 61290-10 series.
This document establishes uniform requirements for accurate and reliable measurements of the
following OA parameters, as defined in IEC 61291-1:2018, Clause 3:
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) gain ripple (SOA only);
l) large-signal output stability;
m) saturation output power;
n) maximum output signal power;
o) maximum total output power.
NOTE 1 The applicability of the test methods described in this document to distributed Raman amplifiers is still
under study.
NOTE 2 All numerical values followed by (‡) are suggested values for which the measurement is assured. Other
values are acceptable if verified.

Prüfverfahren für Lichtwellenleiter-Verstärker - Teil 1: Optische Leistungs- und Verstärkungsparameter (IEC 61290-1:2022)

Amplificateurs optiques - Méthodes d'essai - Partie 1: Paramètres de puissance et de gain (IEC 61290-1:2022)

IEC 61290-1:2022 est disponible sous forme de IEC 61290-1:2022 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.

L'IEC 61290-1:2022 s’applique à tous les amplificateurs optiques (AO) et sous-systèmes à amplification optique, disponibles sur le marché. Elle s’applique aux AO utilisant des fibres pompées optiquement (amplificateurs à fibres optiques (AFO) basés sur des fibres dopées aux terres rares ou sur l’effet Raman), des semiconducteurs (amplificateurs optiques à semiconducteurs (SOA)), et des guides d’ondes (amplificateurs à guide d’ondes optiques planaires (POWA)). Elle est spécifiquement centrée sur les amplificateurs à un seul canal. Les méthodes d'essai pour les amplificateurs à canaux multiples sont définies dans la série IEC 61290-10.
Le présent document établit des exigences uniformes pour des mesures précises et fiables des paramètres d’AO donnés ci-dessous, tels qu’ils sont définis dans l'IEC 61291-1:2018, Article 3:
a) puissance nominale du signal de sortie;
b) gain;
c) gain inverse;
d) Gain maximal;
e) longueur d’onde du gain maximal;
f) variation maximale du gain en fonction de la température;
g) bande de longueur d’onde du gain;
h) variation du gain en fonction de la longueur d’onde;
i) stabilité du gain;
j) gain dépendant de la polarisation;
k) ondulation du gain (SOA uniquement);
l) stabilité de sortie grands signaux;
m) puissance de sortie en saturation;
n) puissance maximale du signal de sortie;
o) puissance de sortie totale maximale.
NOTE 1 L’applicabilité des méthodes d’essai décrites dans le présent document à des amplificateurs à effet Raman répartis est toujours à l'étude. NOTE 2 Toutes les valeurs numériques suivies de (‡) sont des valeurs suggérées, pour lesquelles la mesure est assurée. D’autres valeurs sont acceptables, à condition d'être vérifiées.
Cette deuxième édition annule et remplace la première édition parue en 2014. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
- spécification de l’ondulation du gain en tant que nouveau paramètre;
- spécification de la méthode d’essai et du rapport d’essai pour les mesures d’ondulation du gain;
- utilisation du terme “incertitude de mesure” au lieu de “précision de mesure”.

Optični ojačevalniki - Preskusne metode - 1. del: Parametri moči in ojačenja (IEC 61290-1:2022)

Ta del standarda IEC 61290 se uporablja za vse komercialno dostopne optične ojačevalnike (OA) in optično ojačane podsisteme. Uporablja se za optične ojačevalnike z optično črpanimi vlakni (ojačevalnike optičnih vlaken (OFA), ki temeljijo na dopiranih vlaknih redke zemljine ali Ramanovem efektu), polprevodnike (polprevodniške optične ojačevalnike (SOA)) in valovode (ravninske optične valovodne ojačevalnike (POWA)). Osrednji predmet obravnave so enokanalni ojačevalniki. Preskusne metode za večkanalne ojačevalnike so določene v skupini standardov IEC 61290-10.
Ta dokument določa enotne zahteve za točne in zanesljive meritve naslednjih parametrov optičnih ojačevalnikov, kot je določeno v točki 3 standarda IEC 61291-1:2018:
a) nazivna izhodna moč signala;
b) ojačanje;
c) obratno ojačanje;
d) največje ojačanje;
e) valovna dolžina največjega ojačanja;
f) spreminjanje največjega ojačanja s temperaturo;
g) pas valovne dolžine ojačanja;
h) spreminjanje valovne dolžine ojačanja;
i) stabilnost ojačanja;
j) ojačanje, odvisno od polarizacije;
k) nihanje ojačanja (samo polprevodniški optični ojačevalniki);
l) stabilnost izhoda velikih signalov;
m) izhodna moč nasičenosti;
n) največja izhodna moč signala;
o) največja skupna izhodna moč.
OPOMBA 1: Uporabnost preskusnih metod iz tega dokumenta za razpršene Ramanove ojačevalnike se še vedno preučuje.
OPOMBA 2: Vse številčne vrednosti, za katerimi je znak (‡), so predlagane vrednosti, za katere se zagotovi merjenje. Druge vrednosti se sprejmejo, če so preverjene.

General Information

Status
Published
Public Enquiry End Date
17-Feb-2022
Publication Date
01-Sep-2022
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
05-Aug-2022
Due Date
10-Oct-2022
Completion Date
02-Sep-2022

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SLOVENSKI STANDARD
SIST EN IEC 61290-1:2022
01-oktober-2022
Nadomešča:
SIST EN 61290-1:2015
Optični ojačevalniki - Preskusne metode - 1. del: Parametri moči in ojačenja (IEC
61290-1:2022)
Optical amplifiers - Test methods - Part 1: Power and gain parameters (IEC 61290-
1:2022)
Prüfverfahren für Lichtwellenleiter-Verstärker - Teil 1: Optische Leistungs- und
Verstärkungsparameter (IEC 61290-1:2022)
Amplificateurs optiques - Méthodes d'essai - Partie 1: Paramètres de puissance et de
gain (IEC 61290-1:2022)
Ta slovenski standard je istoveten z: EN IEC 61290-1:2022
ICS:
33.180.30 Optični ojačevalniki Optic amplifiers
SIST EN IEC 61290-1:2022 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN IEC 61290-1:2022

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SIST EN IEC 61290-1:2022


EUROPEAN STANDARD EN IEC 61290-1

NORME EUROPÉENNE

EUROPÄISCHE NORM July 2022
ICS 33.180.30 Supersedes EN 61290-1:2015
English Version
Optical amplifiers - Test methods - Part 1: Power and gain
parameters
(IEC 61290-1:2022)
Amplificateurs optiques - Méthodes d'essai - Partie 1: Prüfverfahren für Lichtwellenleiter-Verstärker - Teil 1:
Paramètres de puissance et de gain Optische Leistungs- und Verstärkungsparameter
(IEC 61290-1:2022) (IEC 61290-1:2022)
This European Standard was approved by CENELEC on 2022-07-12. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.


European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN IEC 61290-1:2022 E

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SIST EN IEC 61290-1:2022
EN IEC 61290-1:2022 (E)
European foreword
The text of document 86C/1746/CDV, future edition 2 of IEC 61290-1, prepared by SC 86C "Fibre
optic systems and active devices" of IEC/TC 86 "Fibre optics" was submitted to the IEC-CENELEC
parallel vote and approved by CENELEC as EN IEC 61290-1:2022.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2023-04-12
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2025-07-12
document have to be withdrawn

This document supersedes EN 61290-1:2015 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 61290-1:2022 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 60793-1-1 NOTE Harmonized as EN 60793-1-1
IEC 60793-1-40 NOTE Harmonized as EN IEC 60793-1-40
IEC 60825-1 NOTE Harmonized as EN 60825-1
IEC 60825-2 NOTE Harmonized as EN 60825-2
IEC 61290-10 (series) NOTE Harmonized as EN 61290-10 (series)
2

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SIST EN IEC 61290-1:2022
EN IEC 61290-1:2022 (E)
Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the
relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 61290-1-1 - Optical amplifiers - Test methods - Part 1- EN IEC 61290-1-1 -
1: Power and gain parameters - Optical
spectrum analyzer method
IEC 61290-1-2 - Optical amplifiers - Test methods - Part 1- EN 61290-1-2 -
2: Power and gain parameters - Electrical
spectrum analyzer method
IEC 61290-1-3 - Optical amplifiers - Test methods - Part 1- EN IEC 61290-1-3 -
3: Power and gain parameters - Optical
power meter method
IEC 61291-1 2018 Optical amplifiers - Part 1: Generic EN IEC 61291-1 2018
specification

3

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SIST EN IEC 61290-1:2022

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SIST EN IEC 61290-1:2022



IEC 61290-1

®


Edition 2.0 2022-06




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE











Optical amplifiers – Test methods –

Part 1: Power and gain parameters




Amplificateurs optiques – Méthodes d’essai –

Partie 1: Paramètres de puissance et de gain
















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 33.180.30 ISBN 978-2-8322-2286-7




Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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SIST EN IEC 61290-1:2022
– 2 – IEC 61290-1:2022 © IEC 2022
CONTENTS

FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms, definitions and abbreviated terms . 6
3.1 Terms and definitions . 6
3.2 Abbreviated terms . 6
4 Optical power and gain test method . 6
5 Optical power and gain parameters . 6
6 Test results . 11
Bibliography . 14

Figure 1 – Typical behaviour of the gain as a function of input signal power . 7
Figure 2 – Typical behaviour of the gain as a function of wavelength . 7
Figure 3 – Typical behaviour of the gain as a function of temperature . 8
Figure 4 – Typical behaviour of the gain as a function of wavelength . 9
Figure 5 – Typical behaviour of the gain fluctuation as a function of time . 9
Figure 6 – Typical behaviour of the output power fluctuation as a function of time . 10
Figure 7 – Typical behaviour of the gain as a function of input signal power . 11
Figure 8 – Typical behaviour of the output power as a function of input signal power . 11

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SIST EN IEC 61290-1:2022
IEC 61290-1:2022 © IEC 2022 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

OPTICAL AMPLIFIERS – TEST METHODS –

Part 1: Power and gain parameters

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence between
any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
rights. IEC shall not be held responsible for identifying any or all such patent rights.
IEC 61290-1 has been prepared by subcommittee 86C: Fibre optic systems and active devices,
of IEC technical committee 86: Fibre optics. It is an International Standard.
This second edition cancels and replaces the first edition published in 2014. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) specification of gain ripple as a new parameter;
b) specification of test method and test report for gain ripple measurements;
c) use of the term “measurement uncertainty” instead of “measurement accuracy”.

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SIST EN IEC 61290-1:2022
– 4 – IEC 61290-1:2022 © IEC 2022
The text of this International Standard is based on the following documents:
Draft Report on voting
86C/1746/FDIS 86C/1783/RVD

Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/publications.
A list of all parts in the IEC 61290 series, published under the general title Optical amplifiers –
Test methods, can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

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SIST EN IEC 61290-1:2022
IEC 61290-1:2022 © IEC 2022 – 5 –
OPTICAL AMPLIFIERS – TEST METHODS –

Part 1: Power and gain parameters



1 Scope
This part of IEC 61290 applies to all commercially available optical amplifiers (OAs) and
optically amplified subsystems. It applies to OAs using optically pumped fibres (optical fibre
amplifiers (OFAs) based on either rare-earth doped fibres or on the Raman effect),
semiconductors (semiconductor optical amplifiers (SOAs)), and waveguides (planar optical
waveguide amplifiers (POWAs)). It is specifically directed to single-channel amplifiers. Test
methods for multichannel amplifiers are defined in the IEC 61290-10 series.
This document establishes uniform requirements for accurate and reliable measurements of the
following OA parameters, as defined in IEC 61291-1:2018, Clause 3:
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) gain ripple (SOA only);
l) large-signal output stability;
m) saturation output power;
n) maximum output signal power;
o) maximum total output power.
NOTE 1 The applicability of the test methods described in this document to distributed Raman amplifiers is still
under study.
NOTE 2 All numerical values followed by (‡) are suggested values for which the measurement is assured. Other
values are acceptable if verified.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies.
For undated references, the latest edition of the referenced document (including any
...

SLOVENSKI STANDARD
oSIST prEN IEC 61290-1:2022
01-februar-2022
Optični ojačevalniki - Preskusne metode - 1. del: Parametri moči in ojačenja (IEC
61290-1:2014)
Optical amplifiers - Test methods - Part 1: Power and gain parameters
Prüfverfahren für Lichtwellenleiter-Verstärker - Teil 1: Optische Leistungs- und
Verstärkungsparameter
Amplificateurs optiques - Méthodes d'essai - Partie 1: Paramètres de puissance et de
gain
Ta slovenski standard je istoveten z: prEN IEC 61290-1:2021
ICS:
33.180.30 Optični ojačevalniki Optic amplifiers
oSIST prEN IEC 61290-1:2022 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN IEC 61290-1:2022

---------------------- Page: 2 ----------------------
oSIST prEN IEC 61290-1:2022
86C/1746/CDV

COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 61290-1 ED2
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2021-11-26 2022-02-18
SUPERSEDES DOCUMENTS:
86C/1728/CD, 86C/1745/CC

IEC SC 86C : FIBRE OPTIC SYSTEMS AND ACTIVE DEVICES
SECRETARIAT: SECRETARY:
United States of America Mr Fred Heismann
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:


Other TC/SCs are requested to indicate their interest, if
any, in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.

This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.

TITLE:
Optical amplifiers - Test methods - Part 1: Power and gain parameters

PROPOSED STABILITY DATE: 2025

NOTE FROM TC/SC OFFICERS:


Copyright © 2021 International Electrotechnical Commission, IEC. All rights reserved. It is permitted to download this
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.

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oSIST prEN IEC 61290-1:2022
IEC CDV 61290-1/Ed2 © IEC:2021 – 2 – 86C/1746/CDV
1 CONTENTS
2
3 FOREWORD . 3
4 1 Scope . 5
5 2 Normative references . 5
6 3 Terms, definitions and abbreviated terms . 6
7 3.1 Terms and definitions. 6
8 3.2 Abbreviated terms . 6
9 4 Optical power and gain test method . 6
10 5 Optical power and gain parameters . 6
11 6 Test results . 12
12 Bibliography . 15
13
14 Figure 1 – Typical behaviour of the gain as a function of input signal power . 7
15 Figure 2 – Typical behaviour of the gain as a function of wavelength . 7
16 Figure 3 – Typical behaviour of the gain as a function of temperature . 8
17 Figure 4 – Typical behaviour of the gain as a function of wavelength . 9
18 Figure 5 – Typical behavior of the gain fluctuation as a function of time . 10
19 Figure 6 – Typical behaviour of the output power fluctuation as a function of time . 10
20 Figure 7 – Typical behaviour of the gain as a function of input signal power . 11
21 Figure 8 – Typical behaviour of the output power as a function of input signal power . 12
22
23

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oSIST prEN IEC 61290-1:2022
IEC CDV 61290-1/Ed2 © IEC:2021 – 3 – 86C/1746/CDV
24 INTERNATIONAL ELECTROTECHNICAL COMMISSION
25 ____________
26
27 OPTICAL AMPLIFIERS –
28 TEST METHODS –
29 Part 1: Power and gain parameters
30
31 FOREWORD
32 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
33 all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
34 co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
35 in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
36 Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their
37 preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
38 may participate in this preparatory work. International, governmental and non-governmental organizations liaising
39 with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
40 Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
41 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
42 consensus of opinion on the relevant subjects since each technical committee has representation from all
43 interested IEC National Committees.
44 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
45 Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
46 Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
47 misinterpretation by any end user.
48 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
49 transparently to the maximum extent possible in their national and regional publications. Any divergence between
50 any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter.
51 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
52 assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
53 services carried out by independent certification bodies.
54 6) All users should ensure that they have the latest edition of this publication.
55 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
56 members of its technical committees and IEC National Committees for any personal injury, property damage or
57 other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
58 expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
59 Publications.
60 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
61 indispensable for the correct application of this publication.
62 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
63 rights. IEC shall not be held responsible for identifying any or all such patent rights.
64 IEC 61290-1 has been prepared by subcommittee 86C: Fibre optic systems and active devices,
65 of IEC technical committee 86: Fibre optics. It is an International Standard.
66 This second edition cancels and replaces the first edition published in 2014. This edition
67 constitutes a technical revision.
68 This edition includes the following significant technical changes with respect to the previous
69 edition:
70 a) Specification of gain ripple as a new parameter;
71 b) Specification of test method and test report for gain ripple measurements;
72 c) Use of the term “measurement uncertainty” instead of “measurement accuracy”.
73 The text of this International Standard is based on the following documents:
Draft Report on voting
XX/XX/FDIS XX/XX/RVD

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74
75 Full information on the voting for its approval can be found in the report on voting indicated in
76 the above table.
77 The language used for the development of this International Standard is English.
78 This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
79 accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
80 at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
81 described in greater detail at http://www.iec.ch/standardsdev/publications.
82 The committee has decided that the contents of this document will remain unchanged until the
83 stability date indicated on the IEC website under webstore.iec.ch in the data related to the
84 specific document. At this date, the document will be
85 • reconfirmed,
86 • withdrawn,
87 • replaced by a revised edition, or
88 • amended.
89

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90 OPTICAL AMPLIFIERS –
91 TEST METHODS –
92 Part 1: Power and gain parameters
93
94 1 Scope
95 This part of IEC 61290 applies to all commercially available optical amplifiers (OAs) and
96 optically amplified subsystems. It applies to OAs using optically pumped fibres (OFAs based on
97 either rare-earth doped fibres or on the Raman effect), semiconductors (SOAs), and
98 waveguides (POWAs). It is specifically directed to single-channel amplifiers. Test methods for
99 multichannel amplifiers are defined in the IEC 61290-10 series.
100 This standard establishes uniform requirements for accurate and reliable measurements of the
101 following OA parameters, as defined in Clause 3 of IEC 61291-1:
102 a) nominal output signal power;
103 b) gain;
104 c) reverse gain;
105 d) maximum gain;
106 e) maximum gain wavelength;
107 f) maximum gain variation with temperature;
108 g) gain wavelength band;
109 h) gain wavelength variation;
110 i) gain stability;
111 j) polarization-dependent gain;
112 k) gain ripple (SOA only);
113 l) large-signal output stability;
114 m) saturation output power;
115 n) maximum output signal power;
116 o) maximum total output power.
117 NOTE 1 The applicability of the test methods described in the present standard to distributed Raman amplifiers is
118 still under study.
119 NOTE 2 All numerical values followed by (‡).are suggested values for which the measurement is assured. Other
120 values are acceptable if verified.
121 2 Normative references
122 The following documents are referred to in the text in such a way that some or all of their content
123 constitutes requirements of this document. For dated references, only the edition cited applies.
124 For undated references, the latest edition of the referenced document (including any
125 amendments) applies.
126 IEC 61290-1-1, Optical amplifiers – Test methods – Part 1-1: Power and gain parameters –
127 Optical spectrum analyzer method
128 IEC 61290-1-2, Optical amplifiers – Test methods – Part 1-2: Power and gain parameters –
129 Electrical spectrum analyzer method

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130 IEC 61290-1-3, Optical amplifiers – Test methods – Part 1-3: Power and gain parameters –
131 Optical power meter method
132 IEC 61291-1:2018, Optical amplifiers – Part 1: Generic specification
133 3 Terms, definitions and abbreviated terms
134 3.1 Terms and definitions
135 For the purposes of this document, the terms and definitions given in IEC 61291-1 apply.
136 ISO and IEC maintain terminological databases for use in standardization at the following
137 addresses:
138 • IEC Electropedia: available at http://www.electropedia.org/
139 • ISO Online browsing platform: available at http://www.iso.org/obp
140 3.2 Abbreviated terms
141 ASE amplified spontaneous emission
142 FWHM full width at half maximum
143 OA optical amplifier
144 OFA optical fibre amplifier
145 OSA optical spectrum analyzer
146 POWA planar optical waveguide amplifier
147 SOA semiconductor optical amplifier
148 4 Optical power and gain test method
149 Three commonly practised procedures for quantifying the optical power and gain of an OA are
150 considered in this standard.
151 The aim of the first procedure (see IEC 61290-1-1) is to determine the optical power and gain
152 by means of the optical spectrum analyzer test method.
153 The aim of the second procedure (see IEC 61290-1-2) is to determine the optical power and
154 gain by means of an optical detector and an electrical spectrum analyzer.
155 The aim of the third procedure (see IEC 61290-1-3) is to determine the optical power and gain
156 by means of an optical power meter and an optical bandpass filter.
157 5 Optical power and gain parameters
158 The parameters listed below are required for gain and power:
159 a) Nominal output signal power: The nominal output signal power is given by the minimum
160 output signal optical power for an input signal optical power specified in the relevant detail
161 specification and under nominal operating conditions given in the relevant detail
162 specification. To find this minimum value, input and output signal power levels shall be
163 continuously monitored for a given duration of time and in presence of changes in the
164 state of polarization and other instabilities, as specified in the relevant detail specification.
165 The measurement procedures and calculations are described in each test method.
166 b) Gain: The measurement procedures and calculations are described in each test method.

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167 c) Reverse gain: As in b), but with the OA operating with the input port used as an output
168 port and vice-versa.
169 d) Maximum gain: As in b), but use a wavelength-tuneable optical source and repeat all
170 procedur
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