Narrow filtered DPSK implements order-1 CAPS optical line coding

A novel family of optical line codes has been presented elsewhere, here referred to as combined amplitude-phase shift (CAPS) codes. We show here that narrow filtering of a differential phase shift keying signal with bandwidth equal to about 2/3 of the bit rate turns out to closely implement the orde...

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Bibliographic Details
Published inIEEE photonics technology letters Vol. 16; no. 2; pp. 662 - 664
Main Authors Forestieri, E., Prati, G.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.02.2004
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Bandwidth
Bit rate
Coding
Differential phase shift keying
Differential quadrature phase shift keying
Filtering
Filtration
Optical fiber communication
Optical filters
Optical interferometry
Optical modulation
Optical receivers
Phase shift
Phase shift keying
Photonics
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Summary:A novel family of optical line codes has been presented elsewhere, here referred to as combined amplitude-phase shift (CAPS) codes. We show here that narrow filtering of a differential phase shift keying signal with bandwidth equal to about 2/3 of the bit rate turns out to closely implement the order-1 CAPS line coding. Performance of the two systems is compared for various types of optical filters.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2003.822231