Tunable homodyne detection using nonlinear optical signal processing to automatically lock a "local" pump laser to an incoming 20-to-40-Gbaud QPSK data signal.
M. R. ChitgarhaYinwen CaoA. Mohajerin-AriaeiMorteza ZiyadiS. KhaleghiAhmed AlmaimanJoseph D. TouchCarsten LangrockMartin M. FejerAlan E. WillnerPublished in: ECOC (2014)