OSNR Monitoring of 40Gb/s Differential Phase-Shift-Keyed Signals Using a DC Detector and a Very Low Frequency Band-Pass Filter
Chang-Joon Chae, Trevor B Anderson
Proceedings of the 22nd Annual Meeting of IEEE Photonics Society | IEEE | Published : 2009
We have demonstrated an in-band OSNR monitoring technique suitable for 40Gb/s DPSK or other digitally phase-modulated signals. It is simple, potentially cheap, and independent of power and dispersion. © 2009 IEEE.