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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 18, Iss. 7 — Jul. 1, 2001
  • pp: 1003–1013

All-optical hysteresis control by means of cross-phase modulation in semiconductor optical amplifiers

Drew N. Maywar, Govind P. Agrawal, and Yoshiaki Nakano  »View Author Affiliations


JOSA B, Vol. 18, Issue 7, pp. 1003-1013 (2001)
http://dx.doi.org/10.1364/JOSAB.18.001003


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Abstract

We describe the principle of operation of an all-optical flip-flop based on dispersive bistability in a distributed feedback semiconductor optical amplifier. Cross-phase modulation controls the photonic bandgap and Bragg resonances of the amplifier, thereby shifting the hysteresis and switching thresholds to higher or lower powers. We give the details of a simple theoretical model that is used to simulate the set and reset operations. We also experimentally investigate the dependence on set-signal power and the response to back-to-back set signals, and we apply the theoretical model to understand these experimental results.

© 2001 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(060.4510) Fiber optics and optical communications : Optical communications
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(190.1450) Nonlinear optics : Bistability
(200.4560) Optics in computing : Optical data processing
(250.5980) Optoelectronics : Semiconductor optical amplifiers

Citation
Drew N. Maywar, Govind P. Agrawal, and Yoshiaki Nakano, "All-optical hysteresis control by means of cross-phase modulation in semiconductor optical amplifiers," J. Opt. Soc. Am. B 18, 1003-1013 (2001)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-18-7-1003

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