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Journal Article Clock Recovery from 40 Gbps Optical Signal with Optical Phase-locked Loop based on a Terahertz Optical Asymmetric Demultiplexer
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Authors
Young Min Jhon, Ho Jin Ki, Sun Ho Kim
Issue Date
2003-05
Citation
Optics Communications, v.220, no.4-6, pp.315-319
ISSN
0030-4018
Publisher
Elsevier
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1016/S0030-4018(03)01408-1
Abstract
10 GHz clock recovery from 40 Gbps optical time-division-multiplexed (OTDM) signal pulses is experimentally demonstrated using optical phase lock loop based on a terahertz optical asymmetric demultiplexer (TOAD) with a local-reference-oscillator-free electronic feedback circuit. The clock pulse that was used as the control pulse had energy of 800 fJ and the SNR of the time-extracted 10 GHz RF signal to the side components was larger than 40 dB.
KSP Keywords
10 Ghz, Clock recovery(CR), Feedback Circuit, Optical phase lock loop, Optical phase-locked loop, Optical signal, RF signal, Terahertz optical asymmetric demultiplexer, lock loop(SOGI-FLL), phase-locked loop(PLL)