Non-intrusive OSNR measurement of polarization-multiplexed signals with spectral shaping and subject to fiber non-linearity with minimum channel spacing of 375GHz

• Published in: Optics express Vol. 24; no. 18; p. 20156
• Main Authors: Gariépy, Daniel, Searcy, Steven, He, Gang, Tibuleac, Sorin
• Format: Journal Article
• Language: English
• Published: United States 05.09.2016

A non-intrusive OSNR measurement technique relying on the detailed spectral comparison of an optical signal with its "noise-free" spectrum is described, including mathematical basis, validity conditions and algorithmic steps. The technique's performance is experimentally demonstrated...