Optical amplifiers - Test methods - Part 10-5: Multichannel parameters - Distributed Raman amplifier gain and noise figure

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)

Prüfverfahren für Lichtwellenleiter-Verstärker - Teil 10-5: Mehrkanalparameter - Verstärkung und Rauschzahl von verteilten Raman-Verstärkern

Amplificateurs optiques - Méthodes d'essai - Partie 10-5: Paramètres à canaux multiples - Gain et facteur de bruit des amplificateurs Raman répartis

L'IEC 61290-10-5:2014 s'applique aux amplificateurs Raman répartis (DRA). Les DRA sont fondés sur un processus tel qu'une puissance de pompage Raman est introduite dans la fibre de transmission, conduisant à une amplification du signal au sein de la fibre de transmission par dispersion Raman stimulée. On peut trouver une vue d'ensemble détaillée de la technique et des applications des DRA dans l'IEC TR 61292-6. L'objet de la présente norme est d'établir des exigences uniformes afin d'obtenir des mesures précises et fiables des paramètres de DRA suivants, au moyen d'un analyseur de spectre optique (ASO): - gain du canal en on-off; - affaiblissement d'insertion de l'unité de pompage; - gain du canal net; - facteur de bruit signal/émission spontanée du canal. Mots clés: amplificateurs Raman (DRA), analyseur de spectre optique (ASO)

Optični ojačevalniki - Preskusne metode - 10-5. del: Večkanalni parametri - Razpršeno ojačenje Ramanovega ojačevalnika in šumno število (IEC 61290-10-5:2014)

Ta del standarda IEC 61290 se uporablja za razpršene Ramanove ojačevalnike (DRA). Razpršeni Ramanovi ojačevalniki temeljijo na procesu, pri katerem je moč Ramanove črpalke uvedena v prenosno vlakno, ki vodi do ojačenja signala znotraj prenosnega vlakna prek stimuliranega Ramanovega sipanja. Podroben pregled tehnologije in uporabe razpršenih Ramanovih ojačevalnikov je na voljo v standardu IEC TR 61292-6.
Temeljna razlika med temi ojačevalniki in diskretnimi ojačevalniki, kot so EDFA, je, da se lahko ojačevalniki EDFA opišejo z uporabo pristopa po načelu črne skrinjice z dobro opredeljenimi vhodnimi in izhodnimi vrati. Na drugi strani je razpršeni Ramanov ojačevalnik v bistvu modul črpalke s postopkom dejanskega ojačenja vzdolž prenosnega vlakna. Ta razlika pomeni, da standardnih metod, opisanih v drugih delih standarda IEC 61290 za merjenje parametrov ojačevalnika, kot sta ojačenje in šumno število, ni mogoče uporabiti brez spreminjanja.
Cilj tega standarda je določiti enotne zahteve za točne in zanesljive meritve z uporabo optičnega spektralnega analizatorja (OSA) za naslednje parametre razpršenega Ramanovega ojačevalnika:
a) vklopno-izklopno ojačenje kanala;
b) dodano dušenje črpalke;
c) neto ojačenje kanala;
d) signalno spontano šumno število kanala.
Merilna metoda temelji predvsem na metodi z odvzemanjem interpoliranega vira (ISS) z uporabo analizatorja optičnega spektra, kot je opisano in pripravljeno v standardu IEC 61290-10-4, z ustreznimi spremembami, ki se nanašajo na razpršene Ramanove ojačevalnike. Vse številčne vrednosti, za katerimi je znak (‡), so predlagane vrednosti, za katere se zagotovi merjenje. Druge vrednosti se lahko sprejmejo, vendar naj bi se preverile.
OPOMBA: Splošni vidiki preskusnih metod za šumno število so navedeni v standardu IEC 61290-3.

General Information

Status
Published
Publication Date
24-Jul-2014
Withdrawal Date
26-Jun-2017
Current Stage
6060 - Document made available - Publishing
Start Date
25-Jul-2014
Completion Date
25-Jul-2014

Buy Standard

Standard
EN 61290-10-5:2015
English language
24 pages
sale 10% off
Preview
sale 10% off
Preview
e-Library read for
1 day

Standards Content (Sample)


SLOVENSKI STANDARD
01-april-2015
2SWLþQLRMDþHYDOQLNL3UHVNXVQHPHWRGHGHO9HþNDQDOQLSDUDPHWUL
5D]SUãHQRRMDþHQMH5DPDQRYHJDRMDþHYDOQLNDLQãXPQRãWHYLOR ,(&

Optical amplifiers - Test methods -- Part 10-5: Multichannel parameters - Distributed
Raman amplifier gain and noise figure (IEC 61290-10-5:2014)
Prüfverfahren für Lichtwellenleiter-Verstärker - Teil 10-5: Mehrkanalparameter -
Verstärkung und Rauschzahl von verteilten Raman-Verstärkern (IEC 61290-10-5:2014)
Amplificateurs optiques - Méthodes d'essai - Partie 10-5: Paramètres à canaux multiples
- Gain et facteur de bruit des amplificateurs Raman répartis (CEI 61290-10-5:2014)
Ta slovenski standard je istoveten z: EN 61290-10-5:2014
ICS:
33.180.30 2SWLþQLRMDþHYDOQLNL Optic amplifiers
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 61290-10-5

NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2014
ICS 33.180.30
English Version
Optical amplifiers - Test methods - Part 10-5: Multichannel
parameters - Distributed Raman amplifier gain and noise figure
(IEC 61290-10-5:2014)
Amplificateurs optiques - Méthodes d'essai - Partie 10-5: Prüfverfahren für Lichtwellenleiter-Verstärker - Teil 10-5:
Paramètres à canaux multiples - Gain et facteur de bruit Mehrkanalparameter - Verstärkung und Rauschzahl von
des amplificateurs Raman répartis verteilten Raman-Verstärkern
(CEI 61290-10-5:2014) (IEC 61290-10-5:2014)
This European Standard was approved by CENELEC on 2014-06-27. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61290-10-5:2014 E
Foreword
The text of document 86C/1142/CDV, future edition 1 of IEC 61290-10-5, 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 61290-10-5:2014.

The following dates are fixed:
(dop) 2015-03-27
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2017-06-27
• latest date by which the national
standards conflicting with the
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
Endorsement notice
The text of the International Standard IEC 61290-10-5:2014 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 61290-3 NOTE Harmonized as EN 61290-3.
IEC 61290-10-4 NOTE Harmonized as EN 61290-10-4.

- 3 - EN 61290-10-5:2014
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.

NOTE 1 When 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 60825-1 -  Safety of laser products -- Part 1: EN 60825-1 -
Equipment classification and requirements
IEC 61291-1 -  Optical amplifiers -- Part 1: Generic EN 61291-1 -
specification
IEC 61291-4 -  Optical amplifiers -- Part 4: Multichannel EN 61291-4 -
applications - Performance specification
template
IEC/TR 61292-4 -  Optical amplifiers -- Part 4: Maximum - -
permissible optical power for the damage-
free and safe use of optical amplifiers,
including Raman amplifiers
IEC 61290-10-5 ®
Edition 1.0 2014-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Optical amplifiers – Test methods –

Part 10-5: Multichannel parameters – Distributed Raman amplifier gain and

noise figure
Amplificateurs optiques – Méthodes d'essai –

Partie 10-5: Paramètres à canaux multiples – Gain et facteur de bruit des

amplificateurs Raman répartis
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX S
ICS 33.180.30 ISBN 978-2-8322-1581-4

– 2 – IEC 61290-10-5:2014 © IEC 2014
CONTENTS
FOREWORD . 3
1 Scope and object . 5
2 Normative references . 5
3 Terms, definitions and abbreviations . 6
3.1 Terms and definitions . 6
3.2 Abbreviated terms . 7
4 DRA gain and noise figure parameters – Overview . 7
5 Apparatus . 9
5.1 General . 9
5.2 Multi-channel signal source . 10
5.3 Polarization controller . 11
5.4 Optical spectrum analyser . 11
5.5 Optical power meter . 12
5.6 Tuneable narrowband source . 12
5.7 Broadband optical source . 12
5.8 Optical connectors and jumpers . 12
6 Test sample . 12
7 Procedure . 12
7.1 Overview. 12
7.1.1 Channel on-off gain . 12
7.1.2 Pump module channel insertion loss and channel net gain . 13
7.1.3 Channel equivalent noise figure (NF) . 13
7.2 Calibration . 13
7.2.1 Calibration of optical bandwidth . 13
7.2.2 Calibration of OSA power correction factor . 15
7.3 Measurement . 15
7.4 Calculation . 17
7.4.1 Channel on-off gain . 17
7.4.2 Channel net gain . 17
7.4.3 Channel equivalent NF. 17
8 Test results . 17
Annex A (informative) Field measurements versus laboratory measurements . 19
Annex B (informative) Pump depletion and channel-to-channel Raman scattering . 20
Bibliography . 21

Figure 1 – Distributed Raman amplification in co-propagating (left) and count-
propagating (right) configurations . 9
Figure 2 – Measurement set-up without a pump module. 10
Figure 3 – Measurement set-up for counter-propagating configuration . 10
Figure 4 – Measurement set-up for co-propagating configuration . 10
Figure 5 – Possible implementation of a multi-channel signal source . 11

IEC 61290-10-5:2014 © IEC 2014 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
OPTICAL AMPLIFIERS –
TEST METHODS –
Part 10-5: Multichannel parameters –
Distributed Raman amplifier gain and noise figure

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)
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.