IEC 61280-2-9:2009

Title

Language: EN Fibre optic communication subsystem test procedures - Part 2-9: Digital systems - Optical signal-to-noise ratio measurement for dense wavelength-division multiplexed systems

Language: FR Procédures d'essai des sous-systèmes de télécommunications à fibres optiques - Partie 2-9: Systèmes numériques - Mesure du rapport signal sur bruit optique pour les systèmes multiplexés à répartition en longueur d'onde dense

Abstract

Language: EN IEC 61280-2-9:2009 provides a parameter definition and a test method for obtaining optical signal-to-noise ratio (OSNR) using apparatus that measures the optical spectrum at a multichannel interface. Because noise measurement is made on an optical spectrum analyzer, the measured noise does not include source relative intensity noise (RIN) or receiver noise. Three implementations for an optical spectrum analyser (OSA) are discussed: - a diffraction-grating-based OSA, - a Michelson interferometer-based OSA, - and a Fabry-Perot-based OSA. This second addition cancels and replaces the first edition published in 2002 and constitutes a technical revision. The main changes from the previous edition are as follows: - A paragraph has been added to the Scope describing the limitations due to signal spectral width and wavelength filtering; - and Annex B has been added to further explain error in measuring noise level due to signal spectral width and wavelength filtering.

Language(s)
Language: EN Language: FR
Edition
2.0
Date of issue
11.02.2009
TC 86/SC 86C
ICS Codes
33.180.20
Publication number
61280
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