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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 14 — Jul. 9, 2007
  • pp: 8931–8937

Pulse source based on directly modulated laser and phase modulator

Hao Hu, Jinlong Yu, Litai Zhang, Aixu Zhang, Yan Li, Yang Jiang, and Enze Yang  »View Author Affiliations


Optics Express, Vol. 15, Issue 14, pp. 8931-8937 (2007)
http://dx.doi.org/10.1364/OE.15.008931


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Abstract

We propose the simple pulse source, in which the pulses generated by large-signal directly modulated laser diode are phase-modulated, and then compressed into short pulses by an optimized length of DCF. On the one hand, phase modulator is used to enhance the negative chirp of large-signal directly modulated pulses. On the other hand, the large-signal directly modulated pulses are used to suppress the pedestal produced by the phase modulator. Using this technique, highly stable 10-GHz 5.5-ps optical pulses are obtained, which suppress pedestal up to 20dB and have a low timing jitter of 184fs.

© 2007 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.5060) Fiber optics and optical communications : Phase modulation
(320.1590) Ultrafast optics : Chirping
(320.5550) Ultrafast optics : Pulses

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: April 2, 2007
Revised Manuscript: April 30, 2007
Manuscript Accepted: May 3, 2007
Published: July 3, 2007

Citation
Hao Hu, Jinlong Yu, Litai Zhang, Aixu Zhang, Yan Li, Yang Jiang, and Enze Yang, "Pulse source based on directly modulated laser and phase modulator," Opt. Express 15, 8931-8937 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-14-8931


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