Subharmonic optical clock recovery from 160 Gb/s using time-dependent loss saturation inside a single electroabsorption modulator

A single electroabsorption modulator (EAM) is utilized to perform subharmonic all-optical timing extraction from 160 Gb/s. The extraction technique is based on fast time-dependent loss saturation inside the EAM. The extracted timing is used for optical clock recovery with /spl les/340 fs of timing j...

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Bibliographic Details
Published in:IEEE photonics technology letters 2003-12, Vol.15 (12), p.1764-1766
Main Authors: Awad, E.S., Cho, P.S., Moulton, N., Goldhar, J.
Format: Article
Language:English
Subjects:
Clock recovery
Clocks
Electroabsorption modulators
Extraction
Nonlinear optics
Optical interferometry
Optical losses
Optical modulation
Optical pulses
Optical receivers
Optical saturation
Optical signal processing
Photonics
Receivers
Saturation
Time measurements
Timing
Timing jitter
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Summary:A single electroabsorption modulator (EAM) is utilized to perform subharmonic all-optical timing extraction from 160 Gb/s. The extraction technique is based on fast time-dependent loss saturation inside the EAM. The extracted timing is used for optical clock recovery with /spl les/340 fs of timing jitter. The clock recovery technique is bit-rate flexible, and the bit-error-ratio measurements reveal an error-free operation with no receiver sensitivity penalty.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2003.819743