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
1987 ◽
Vol 48
(C7)
◽
pp. C7-587-C7-587
2006 ◽
Vol 24
(11)
◽
pp. 4108-4119
◽