In-band optical signal-to-noise monitoring technique using polarization diversity
SD Dods, TB Anderson
Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS | Published : 2005
We demonstrate a novel method for measuring in-band OSNR, based on direct measurement of signal-spontaneous beat noise in orthogonal polarization states. The technique balances the output from two low speed receivers in the electrical domain. © 2005 IEEE.