DocumentCode
771749
Title
Degradations in balanced DPSK receivers
Author
Winzer, Peter J. ; Kim, Hoon
Author_Institution
Bell Labs., Holmdel, NJ, USA
Volume
15
Issue
9
fYear
2003
Firstpage
1282
Lastpage
1284
Abstract
We discuss, both by simulation and experiment, the design of balanced differential phase-shift keying receivers. We study detector amplitude imbalance and phase imbalance, interferometer delay mismatch, interferometer extinction, and laser frequency offset. The most critical impairment in a practical receiver is found to be a mismatch between laser frequency and interferometer phase, which directly impacts the interference quality.
Keywords
differential phase shift keying; light interference; light interferometers; optical modulation; optical receivers; balanced DPSK receiver degradation; balanced differential phase-shift keying receivers; detector amplitude imbalance; interference quality; interferometer delay mismatch; interferometer extinction; interferometer phase; laser frequency; laser frequency offset; phase imbalance; practical receiver; Degradation; Delay; Differential quadrature phase shift keying; Optical interferometry; Optical noise; Optical receivers; Optical transmitters; Phase modulation; Phase shifting interferometry; Signal to noise ratio;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/LPT.2003.816112
Filename
1224606
Link To Document