Fibre optic communication subsystem test procedures. Digital systems Time-resolved chirp and alpha-factor measurement of laser transmitters

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

02-28-2003

Publisher

British Standards Institution

FOREWORD
1 Scope
2 Background
3 Definition of time-resolved chirp
4 Modeling transmitter behaviour
5 Overview of chirp measurement methods
6 Frequency discriminator method
   6.1 Apparatus
       6.1.1 Pattern Generator
       6.1.2 EDFA
       6.1.3 Polarization controller
       6.1.4 Interferometer
       6.1.5 Optical oscilloscope
   6.2 Procedure
7 Monochromator method
   7.1 Apparatus
       7.1.1 Pattern Generator
       7.1.2 EDFA
       7.1.3 Monochromator
       7.1.4 Optical oscilloscope
   7.2 Procedure
8 Alpha-factor calculations
   8.1 Alpha factor vs. time, alpha(t)
   8.2 Average alpha factor, alpha[avg]
   8.3 Alpha factor vs. power, alpha(P)
9 Documentation
10 Abbreviations
Annex A Verification of TRC setup and calculations
Annex B Optical transmitter modulation methods
        B.1 Directly modulated laser
        B.2 Electro-absorption modulator
        B.3 Mach-Zehnder modulator
BIBLIOGRAPHY

Describes standard procedures for measuring time-resolved chirp on laser transmitters. Also specifies means to verify the TRC setups and calculations and a review of laser modulation methods and the relationship of TRC to performance in a transmission system.

Provides procedures for measuring time-resolved chirp on laser transmitters. The calculation of alpha-factor, a measure of transient chirp, is derived from the measured TRC data. A means to verify the TRC setups and calculations and a review of laser modulation methods and the relationship of TRC to performance in a transmission system are also coverd.

Committee	GEL/86/3
DevelopmentNote	Supersedes 02/208363 DC (03/2003)
DocumentType	Standard
Pages	24
PublisherName	British Standards Institution
Status	Current
Supersedes	02/208363 DC : DRAFT SEP 2002

Standards	Relationship
IEC PAS 61280-2-10:2003	Identical

IEC TR 61282-8:2006

Fibre optic communication system design guides - Part 8: Calculating dispersion penalty from measured time-resolved chirp data

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DD IEC/PAS 61280-2-10:2003

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