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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 21 — Nov. 1, 2006
  • pp: 3083–3085

Optical ultrawideband monocycle pulse generation based on cross-gain modulation in a semiconductor optical amplifier

Qing Wang, Fei Zeng, Sebastien Blais, and Jianping Yao  »View Author Affiliations


Optics Letters, Vol. 31, Issue 21, pp. 3083-3085 (2006)
http://dx.doi.org/10.1364/OL.31.003083


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Abstract

A novel method for generating ultrawideband (UWB) monocycle pulses based on cross-gain modulation (XGM) in a semiconductor optical amplifier (SOA) is proposed and experimentally demonstrated. Thanks to the XGM in the SOA, a pair of polarity-reversed optical Gaussian pulses is generated at the output of the SOA, to which a Gaussian pulse pump and a continuous-wave probe are applied. The two polarity-reversed optical pulses are then time delayed by two cascaded fiber Bragg gratings to introduce a time delay difference. A UWB monocycle pulse with a full width at half-maximum of 48 ps and a fractional bandwidth of 188% is generated at the output of a high-speed photodetector.

© 2006 Optical Society of America

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(250.5980) Optoelectronics : Semiconductor optical amplifiers
(350.4010) Other areas of optics : Microwaves

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: June 15, 2006
Revised Manuscript: August 15, 2006
Manuscript Accepted: August 15, 2006
Published: October 11, 2006

Citation
Qing Wang, Fei Zeng, Sebastien Blais, and Jianping Yao, "Optical ultrawideband monocycle pulse generation based on cross-gain modulation in a semiconductor optical amplifier," Opt. Lett. 31, 3083-3085 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-21-3083


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References

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