Title :
Electronic post-compensation for nonlinear phase noise in a 1000-km 20-Gbit/s optical QPSK transmission system using the homodyne receiver with digital signal processing
Author :
Kikuchi, Kazuro ; Fukase, Marcos ; Kim, Sang-Yuep
Author_Institution :
Univ. of Tokyo, Tokyo
Abstract :
Abstract: We demonstrate electronic post-compensation for nonlinear phase noise in a 1000-km 20-Gbit/s optical QPSK transmission system. Optimized phase shift proportional to intensity noise is given to the homodyne-detected electric field, leading to effective phase-noise reduction.
Keywords :
optical information processing; optical receivers; phase noise; quadrature phase shift keying; bit rate 20 Gbit/s; digital signal processing; distance 1000 km; electronic post-compensation; homodyne receiver; homodyne-detected electric field; intensity noise; nonlinear phase noise; optical QPSK transmission; optimized phase shift; phase-noise reduction; Digital signal processing; Fiber nonlinear optics; Nonlinear optics; Optical amplifiers; Optical modulation; Optical noise; Optical receivers; Optical signal processing; Phase noise; Quadrature phase shift keying;
Conference_Titel :
Optical Fiber Communication and the National Fiber Optic Engineers Conference, 2007. OFC/NFOEC 2007. Conference on
Conference_Location :
Anaheim, CA
Print_ISBN :
1-55752-831-4
DOI :
10.1109/OFC.2007.4348759