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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 5, Iss. 12 — Dec. 10, 2007
  • pp: 700–702

20-GHz optical pulse source based on cascaded electroabsorption modulators

Yuanshan Liu, Jianguo Zhang, and Wei Zhao  »View Author Affiliations

Chinese Optics Letters, Vol. 5, Issue 12, pp. 700-702 (2007)

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A high-quality low-timing-jitter 20-GHz optical pulse train is generated by using two cascaded sinusoidally driven electroabsorption modulators (EAMs) at very low bias voltage of -0.8 V in conjunction with a tunable distributed feedback (DFB) semiconductor laser. An approximate transform-limited optical pulse, with the pulse width less than 7 ps, the spectral width of 0.3 nm, and the side-mode suppression ratio (SMSR) above 20 dB, is obtained by tuning the optical delay line.

© 2007 Chinese Optics Letters

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.7090) Lasers and laser optics : Ultrafast lasers

Yuanshan Liu, Jianguo Zhang, and Wei Zhao, "20-GHz optical pulse source based on cascaded electroabsorption modulators," Chin. Opt. Lett. 5, 700-702 (2007)

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