Title :
Spectrum superposition based chromatic dispersion estimation for digital coherent receivers
Author :
Shuchang Yao ; Eriksson, Tobias A. ; Songnian Fu ; Jianqiang Li ; Johannisson, Pontus ; Karlsson, Magnus ; Andrekson, Peter A. ; Shum, Ping ; Deming Liu
Author_Institution :
Sch. of Opt. & Electron. Inf., Huazhong Univ. of Sci&Tech (HUST), Wuhan, China
Abstract :
We propose and experimentally demonstrate a fast blind CD estimation method based on signal spectrum superposition. With only 4096 samples, a maximum estimation error of 0.25% of the accumulated CD for 7 × 112 Gbps DP-QPSK WDM signal is verified.
Keywords :
optical receivers; quadrature phase shift keying; wavelength division multiplexing; DP-QPSK WDM; bit rate 112 Gbit/s; digital coherent receivers; fast blind CD estimation method; maximum estimation error; signal spectrum superposition; spectrum superposition based chromatic dispersion estimation; Estimation error; Optical signal processing; Signal to noise ratio; Standards; Wavelength division multiplexing;
Conference_Titel :
Optical Communication (ECOC), 2014 European Conference on
Conference_Location :
Cannes
DOI :
10.1109/ECOC.2014.6964127
