Title :
Improvement of chromatic dispersion and differential group delay tolerance of incoherent multilevel signaling with receiver-side digital signal processing
Author :
Kikuchi, Nobuhiko ; Sasaki, Shinya
Author_Institution :
Central Res. Lab., Hitachi Ltd., Tokyo, Japan
Abstract :
Chromatic dispersion and differential group delay tolerance of 30-Gbit/s 8DPSK and 8QAM signaling is investigated experimentally, and we show 1.7 and 1.25 times enhancement of them in 8QAM signaling by simple receiver-side digital signal processing.
Keywords :
differential phase shift keying; optical fibre dispersion; optical fibre networks; optical modulation; optical receivers; quadrature amplitude modulation; signal processing; DPSK; QAM signaling; chromatic dispersion; differential group delay tolerance; incoherent multilevel signaling; receiver-side digital signal processing; Chromatic dispersion; Delay; Digital signal processing; High speed optical techniques; Optical modulation; Optical receivers; Optical sensors; Optical signal processing; Optical transmitters; Signal processing;
Conference_Titel :
Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)
Conference_Location :
San Diego, CA
Electronic_ISBN :
978-1-55752-884-1
