Title :
Adaptive carrier phase estimation in coherent systems
Author :
Xie, Chongjin ; Winzer, Peter J. ; Raybon, Gregory
Author_Institution :
Bell Labs., Alcatel-Lucent, Holmdel, NJ, USA
Abstract :
We propose an adaptive carrier-phase-estimation (CPE) technique, which automatically optimizes the block length of CPE. It is demonstrated to achieve the best performance in a long-haul 112-Gb/s PDM-QPSK system with and without 10-Gb/s OOK channels.
Keywords :
amplitude shift keying; optical modulation; phase estimation; quadrature phase shift keying; wavelength division multiplexing; OOK channels; PDM-QPSK system; adaptive carrier phase estimation; bit rate 10 Gbit/s; bit rate 112 Gbit/s; block length; coherent systems; on-off keying; polarisation mode multiplexing; Optical distortion; Optical fiber polarization; Optical noise; Phase distortion; Phase noise; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3