In-service measurement of the OSNR in ROADM-based Networks

Conference: ECOC 2007 - 33rd European Conference and Exhibition of Optical Communication
09/16/2007 - 09/20/2007 at Berlin, Germany

Proceedings: ECOC 2007

Pages: 2Language: englishTyp: PDF

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Moench, Wolfgang (JDSU, Muehleweg 5, 72800 Eningen, Germany)
Larikova, Julia (Tellabs)

Optical networks using ROADMs present a challenge for OSNR testing. We propose a new method for measuring the in-band OSNR based on a high resolution optical spectrum analyzer using a new optical polarization splitting method.