Bit-rate detection circuit for rapidly reconfigurable rate-transparent optical networks

Optical networks which are rapidly reconfigurable and bit-rate transparent require agile clock and data regeneration (CDR) circuits that can respond quickly to different bit-rates. Real-time optical packet switching will also require burst-mode response. Present CDR techniques can be modified to rap...

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Bibliographic Details
Published inIEEE photonics technology letters Vol. 11; no. 11; pp. 1500 - 1502
Main Authors Banwell, C., Cheung, N.K.
Format Journal Article
LanguageEnglish
Published IEEE 01.11.1999
Subjects
Bursting
Circuits
Clocks
Detectors
Frequency synchronization
Jitter
Optical communication
Optical fiber networks
Optical fibers
Optical packet switching
Phase locked loops
Programming
Real time
Regeneration
Repeaters
Tunable circuits and devices
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Summary:Optical networks which are rapidly reconfigurable and bit-rate transparent require agile clock and data regeneration (CDR) circuits that can respond quickly to different bit-rates. Real-time optical packet switching will also require burst-mode response. Present CDR techniques can be modified to rapidly synchronize to burst data if they are first tuned to the desired bit-rate. We propose and demonstrate a rapid-response bit-rate detection and selection circuit which can handle a discrete and continuous range of data rates from 10 Mb/s to 1.3 Gb/s. The circuit is suitable for programming conventional and burst mode CDR functions in regeneration, line termination, and real-time switching applications.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:1041-1135
1941-0174
DOI:10.1109/68.803092