Title :
Evaluation of filtering penalty caused by WSS in digital coherent detection system
Author :
Sakamaki, Y. ; Kawai, T. ; Komukai, T. ; Fukutoku, M. ; Kataoka, T.
Author_Institution :
NTT Network Innovation Labs., NTT Corp., Yokosuka, Japan
Abstract :
We investigated the filtering penalties caused by optical filters with a center frequency shift for 128-Gb/s PDM-QPSK by simulations and experiments. We define an approach for evaluating filtering penalties based on digital coherent detection.
Keywords :
multiplexing; optical fibre networks; optical filters; optical switches; quadrature phase shift keying; signal detection; PDM-QPSK; WSS; bit rate 128 Gbit/s; digital coherent detection system; filtering penalty evaluation; optical filters; polarization division multiplexing quadrature phase shift keying; wavelength selective switches; Abstracts; Coherence; Filtering; Optical filters; Passband; Phase shift keying; Shape;
Conference_Titel :
Opto-Electronics and Communications Conference (OECC), 2012 17th
Conference_Location :
Busan
Print_ISBN :
978-1-4673-0976-9
Electronic_ISBN :
2166-8884
DOI :
10.1109/OECC.2012.6276526
