Conference Proceedings

Improving optical spectral monitoring with signal processing

M Li, GJ Pendock, RJ Evans

2006 European Conference on Optical Communications Proceedings, ECOC 2006 | Published : 2006


We experimentally demonstrate the use of regularization techniques to enhance the resolution of an optical channel monitor based on a broad bandwidth Fabry-Perot filter (FPF). This enables us to measure OSNR to within 0.5 dB on 50 GHz spaced 10 Gb/s channels when using a 35 GHz scanning filter.

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