Evidence That Room Temperature Optical Bistability Is Excitonic In Both Bulk And Multiple-Quantum-Well Gallium Arsenide

S. Ovadia; H. M. Gibbs; J. L. Jewell; D. Sarid; N. Peyghambarian

doi:10.1117/12.7973530

1 August 1985 Evidence That Room Temperature Optical Bistability Is Excitonic In Both Bulk And Multiple-Quantum-Well Gallium Arsenide

S. Ovadia, H. M. Gibbs, J. L. Jewell, D. Sarid, N. Peyghambarian

Author Affiliations +

Optical Engineering, Vol. 24, Issue 4, 244565 (August 1985). https://doi.org/10.1117/12.7973530

Abstract

The minimum power (=5 mW) for room-temperature optical bistability is very similar in bulk and multiple-quantum-well (MQW) etalons. No exciton resonance is obvious in the absorption spectrum of bulk GaAs at 300 K because it blends into the band edge, but it is present, and its area is two-thirds that of the MOW heavy-hole exciton. It is shown that the excitonic nonlinear index change is consistent with the observed bistability.

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S. Ovadia, H. M. Gibbs, J. L. Jewell, D. Sarid, and N. Peyghambarian "Evidence That Room Temperature Optical Bistability Is Excitonic In Both Bulk And Multiple-Quantum-Well Gallium Arsenide," Optical Engineering 24(4), 244565 (1 August 1985). https://doi.org/10.1117/12.7973530

Published: 1 August 1985

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