Title :
A simple digital skew compensator for coherent receiver
Author :
Tanimura, Takahito ; Oda, Shoichiro ; Tanaka, Toshiki ; Hoshida, Takeshi ; Tao, Zhenning ; Rasmussen, Jens C.
Author_Institution :
Fujitsu Labs. Ltd., Kawasaki, Japan
Abstract :
A skew compensator is proposed and experimentally demonstrated for coherent front-end, which improved tolerance from plusmn3 to plusmn21 ps at 0.2 dB Q-penalty even with 21,000 ps/nm CD and 90 ps DGD on 112 Gb/s DP-QPSK receiver.
Keywords :
optical communication equipment; radio receivers; DGD; DP-QPSK receiver; bit rate 112 Gbit/s; coherent front-end; coherent receiver; simple digital skew compensator; time 90 ps; tolerance; Delay effects; Digital signal processing; High speed optical techniques; Interpolation; Optical amplifiers; Optical polarization; Optical receivers; Optical signal processing; Photodiodes; Signal processing;
Conference_Titel :
Optical Communication, 2009. ECOC '09. 35th European Conference on
Conference_Location :
Vienna
Print_ISBN :
978-1-4244-5096-1
