Chinese Optics Letters, 2010, 8 (10): 993, Published Online: Oct. 19, 2010  

Timing jitter reduction over 20-km urban fiber by compensating harmonic phase difference of locked femtosecond comb Download: 745次

Author Affiliations
Department of Electronics, Peking University, Beijing 100871, China
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.

Dong Hou, Peng Li, Peng Xi, Jianye Zhao, Zhigang Zhang. Timing jitter reduction over 20-km urban fiber by compensating harmonic phase difference of locked femtosecond comb[J]. Chinese Optics Letters, 2010, 8(10): 993.

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