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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 10 — May. 15, 2007
  • pp: 1223–1225

Ultrawideband monocycle generation using cross-phase modulation in a semiconductor optical amplifier

Jianji Dong, Xinliang Zhang, Jing Xu, Dexiu Huang, Songnian Fu, and P. Shum  »View Author Affiliations


Optics Letters, Vol. 32, Issue 10, pp. 1223-1225 (2007)
http://dx.doi.org/10.1364/OL.32.001223


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Abstract

We propose a novel scheme to generate ultrawideband (UWB) monocycle pulses based on cross-phase modulation (XPM) of a semiconductor optical amplifier (SOA). The proposed system consists of a SOA and an optical bandpass filter (OBF). Due to the XPM, a continuous wave (CW) probe signal is phase modulated by another optical Gauss pulse in the SOA. The OBF will convert the phase modulation to intensity modulation. A pair of polarity-reversed UWB monocycle pulses is achieved by locating the probe carrier at the positive and negative linear slopes of the OBF. Both cases conform to the UWB definition of the Federal Communications Commission.

© 2007 Optical Society of America

OCIS Codes
(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:
Fourier Optics and Optical Signal Processing

History
Original Manuscript: January 16, 2007
Manuscript Accepted: February 8, 2007
Published: April 17, 2007

Citation
Jianji Dong, Xinliang Zhang, Jing Xu, Dexiu Huang, Songnian Fu, and P. Shum, "Ultrawideband monocycle generation using cross-phase modulation in a semiconductor optical amplifier," Opt. Lett. 32, 1223-1225 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-10-1223


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