Title :
A circuit enabling clock extraction in coherent receivers
Author :
Stojanovic, N. ; Changsong Xie ; Yu Zhao ; Bangning Mao ; Gonzalez, Neil
Author_Institution :
Eur. Res. Center, Huawei Technol. Duesseldorf GmbH, Munich, Germany
Abstract :
We present a method for clock extraction in polarization multiplexed coherent optical systems using frequency domain timing phase detector. The phase detector input signal is pre-processed using a simplified polarizer transfer function enabling the maximum clock tone quality.
Keywords :
clocks; light coherence; multiplexing; optical fibre communication; optical fibre polarisation; optical receivers; optical transfer function; phase detectors; circuit enabling clock extraction; clock tone quality; coherent receivers; frequency domain timing phase detector; phase detector; polarization multiplexed coherent optical systems; simplified polarizer transfer function; Azimuth; Clocks; Detectors; Optical noise; Phase shift keying; Signal to noise ratio; Timing;
Conference_Titel :
Optical Communications (ECOC), 2012 38th European Conference and Exhibition on
Conference_Location :
Amsterdam
