Optical clock distribution using a mode-locked semiconductor laser diode system

An experiment in which a high-power mode-locked femtosecond semiconductor laser system was used as a source of extremely low jitter intense optical pulses in the distribution of a clock to 1024 ports via optical fibers is described. The total accumulated dynamic clock jitter between any two ports, w...

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Bibliographic Details
Published in:Journal of lightwave technology 1991-12, Vol.9 (12), p.1646-1649
Main Authors: Delfyett, P.J., Hartman, D.H., Ahmad, S.Z.
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Clocks
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Fiber lasers
Integrated optoelectronics. Optoelectronic circuits
Jitter
Laser mode locking
Optical and optoelectronic circuits
Optical fibers
Optical pulses
Power lasers
Semiconductor lasers
Ultrafast optics
Ultraviolet sources
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Summary:An experiment in which a high-power mode-locked femtosecond semiconductor laser system was used as a source of extremely low jitter intense optical pulses in the distribution of a clock to 1024 ports via optical fibers is described. The total accumulated dynamic clock jitter between any two ports, which contains both correlated and uncorrelated sources, was measured to be less than 12 ps. This laser system produced a train of 460-fs optical pulses with over 70 W of peak power at 302 MHz. These results represent the largest fanout with the minimum timing jitter for an optically distributed clocking network.< >
ISSN:0733-8724
1558-2213
DOI:10.1109/50.108709