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

Conference: Photonische Netze - 9. ITG-Fachtagung
04/28/2008 - 04/29/2008 at Leipzig, Germany

Proceedings: Photonische Netze

Pages: 3Language: englishTyp: PDF

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Moench, Wolfgang; Winterling, Peter (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.