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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 25 — Sep. 1, 2006
  • pp: 6349–6357

Optical bistability in vertical-cavity semiconductor optical amplifiers

Pengyue Wen, Michael Sanchez, Matthias Gross, and Sadik C. Esener  »View Author Affiliations


Applied Optics, Vol. 45, Issue 25, pp. 6349-6357 (2006)
http://dx.doi.org/10.1364/AO.45.006349


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Abstract

We present an overview of the properties and applications of optical bistability in vertical-cavity semiconductor optical amplifiers (VCSOAs). The basic physics and analytical models of this optical nonlinearity are discussed. Experimental results obtained from a VCSOA operated in the 850 nm wavelength region are presented. Counterclockwise hysteresis loops are obtained over a range of initial phase detuning and bias currents. One hysteresis loop is observed experimentally with an input power as low as 2 μW when the device is biased at 98 % of its lasing threshold. Numerical simulations based on the Fabry–Perot resonator model and rate equations we developed show good agreement with our experimental observations. In addition, a low input intensity high contrast (10:1) optical and gate and 2R regeneration are demonstrated. We believe that bistable VCSOAs can significantly advance the prospect of a dense two-dimensional array of low-switching-intensity all-optical logic and memory elements.

© 2006 Optical Society of America

OCIS Codes
(190.1450) Nonlinear optics : Bistability
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW
(200.4660) Optics in computing : Optical logic
(230.4320) Optical devices : Nonlinear optical devices
(250.5980) Optoelectronics : Semiconductor optical amplifiers

History
Original Manuscript: December 16, 2005
Revised Manuscript: May 9, 2006
Manuscript Accepted: May 24, 2006

Citation
Pengyue Wen, Michael Sanchez, Matthias Gross, and Sadik C. Esener, "Optical bistability in vertical-cavity semiconductor optical amplifiers," Appl. Opt. 45, 6349-6357 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-25-6349

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