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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 8, Iss. 10 — Oct. 1, 2010
  • pp: 993–995

Timing jitter reduction over 20-km urban fiber by compensating harmonic phase difference of locked femtosecond comb

Dong Hou, Peng Li, Peng Xi, Jianye Zhao, and Zhigang Zhang  »View Author Affiliations


Chinese Optics Letters, Vol. 8, Issue 10, pp. 993-995 (2010)


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Abstract

A novel timing jitter reduction system over a round trip 20-km urban fiber link is reported. The phase difference of the ninth harmonic of a high-repetition-rate mode-locked laser between the local and the returned signals is obtained. Based on the phase difference, the system uses an optical delay line (ODL) to compensate the optical fiber link. The root-mean-square (RMS) timing jitter is reduced from 50 to 8.9 ps in 80 min.

© 2010 Chinese Optics Letters

OCIS Codes
(040.1880) Detectors : Detection
(060.2330) Fiber optics and optical communications : Fiber optics communications
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(120.7000) Instrumentation, measurement, and metrology : Transmission
(140.4050) Lasers and laser optics : Mode-locked lasers

Citation
Dong Hou, Peng Li, Peng Xi, Jianye Zhao, and Zhigang Zhang, "Timing jitter reduction over 20-km urban fiber by compensating harmonic phase difference of locked femtosecond comb," Chin. Opt. Lett. 8, 993-995 (2010)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-8-10-993

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