DocumentCode
1095179
Title
Optical DQPSK Receiver With Enhanced Dispersion Tolerance
Author
Lyubomirsky, Ilya ; Chien, Cheng-Chung ; Wang, Yi-Hsiang
Author_Institution
Univ. of California, Riverside
Volume
20
Issue
7
fYear
2008
fDate
4/1/2008 12:00:00 AM
Firstpage
511
Lastpage
513
Abstract
We propose and analyze a novel differential quadrature phase-shift-keying (DQPSK) receiver architecture based on optical frequency discriminator filtering and direct detection. Our simulations show that such a receiver provides significantly enhanced tolerance to chromatic dispersion compared with the conventional delay-interferometer-based receiver. Preliminary measurement results demonstrate the novel DQPSK demodulator concept at 20 Gb/s.
Keywords
differential phase shift keying; optical fibre communication; optical filters; optical modulation; optical receivers; chromatic dispersion tolerance; demodulator; differential quadrature phase-shift-keying; direct detection; optical DQPSK receiver; optical frequency discriminator filtering; Crosstalk; Delay; Demodulation; Frequency; Optical filters; Optical interferometry; Optical noise; Optical receivers; Optical sensors; SONET; Differential quadrature phase-shift-keying (DQPSK) receiver; frequency discriminator;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/LPT.2008.918216
Filename
4468806
Link To Document