Title :
Improving the filtering tolerance of 42.7-Gb/s partial-DPSK by optimized power imbalance
Author :
Chandrasekhar, S. ; Liu, X. ; Chraplyvy, A.R.
Author_Institution :
Bell Labs., Alcatel-Lucent, Holmdel, NJ
Abstract :
We experimentally demonstrate a novel method to further improve the tolerance of 42.7-Gb/s partial-DPSK to tight optical filtering by applying an optimized power imbalance, allowing the signal to pass 20 times 50-GHz filters with < 1 dB penalty.
Keywords :
differential phase shift keying; optical communication equipment; optical fibre communication; optical filters; optical modulation; bit rate 42.7 Gbit/s; filtering tolerance; frequency 1000 GHz; frequency 50 GHz; optical filtering; partial-DPSK; power imbalance; Differential quadrature phase shift keying; Filtering; Optical attenuators; Optical feedback; Optical filters; Optical interferometry; Optical noise; Optical receivers; Optical transmitters; Signal to noise ratio; (060.2330) Fiber optics communication; (060.5060) Phase modulation.;
Conference_Titel :
Optical Fiber Communication - incudes post deadline papers, 2009. OFC 2009. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-2606-5
Electronic_ISBN :
978-1-55752-865-0
