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Novel Ultra Wide-Range Frequency Offset Estimation for Digital Coherent Optical Receiver
Optical communications Coherent communication Phase modulation
2015/6/10
We propose and experimentally demonstrate a novel, dual-stage frequency offset estimator and achieve the widest range of ±0.5 times the system symbol rate for the first time in a 42.8-Gbit/s coherent ...
Transmission of 40-Gbit/s 16-QAM Signal over 100-km Standard Single- mode Fiber using Digital Coherent Optical Receiver
Transmission Signal over Standard Single- mode Fiber Digital Coherent Optical Receiver
2015/7/31
We demonstrate 100-km transmission of a 40-Gbit/s 16-QAM signal using a digital coherent receiver. The receiver sensitivity of -30 dBm is obtained at BER=10 -5