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Proceedings Paper

Dynamical equations for excitonic nonlinearities in MQW structures
Author(s): Gian Paolo Bava; Pierluigi DeBernardi; Luigi A. Lugiato
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Paper Abstract

A model is presented for the dynamical evolution of optical bistable devices based on Multiple Quantum Well structures, in which the electric field is near resonance with an excitonic line, and the parameters which appear in the equations are discussed. For room ternperature operation, examples of steady state response curves are presented. In conditions of adiabatic elimination of the exciton density and within the assumption of small carrier density, it is shown that the set of equations is equivalent to the well known model for optical bistability in two level systems.

Paper Details

Date Published: 1 August 1990
PDF: 11 pages
Proc. SPIE 1280, High Speed Phenomena in Photonic Materials and Optical Bistability, (1 August 1990); doi: 10.1117/12.20643
Show Author Affiliations
Gian Paolo Bava, Politecnico di Torino (Italy)
Pierluigi DeBernardi, Politecnico di Torino (Italy)
Luigi A. Lugiato, Politecnico di Torino (Italy)


Published in SPIE Proceedings Vol. 1280:
High Speed Phenomena in Photonic Materials and Optical Bistability
Dieter Jaeger, Editor(s)

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