Three types of electronic optical bistabilities in CdS

M. Wegener; C. Klingshirn; S. W. Koch; L. Banyai

doi:10.1088/0268-1242/1/6/005

Three types of electronic optical bistabilities in CdS

M. Wegener, C. Klingshirn, S. W. Koch, L. Banyai

Optical Sciences, College of

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

Abstract

The authors investigate optical bistability in CdS, induced by photo-electronic non-linearities. Varying the photon energy and the temperature of the sample they find three different types of optical bistability. The switching times are always around 1 ns or below, notably 300 ps for dispersive optical bistability. Optical bistability by bleaching of absorption at room temperature shows a contrast ratio of about 50 between the two stable branches. The dependence on various parameters, including the microscopic foundations, is discussed experimentally as well as theoretically.

Original language	English (US)
Article number	005
Pages (from-to)	366-375
Number of pages	10
Journal	Semiconductor Science and Technology
Volume	1
Issue number	6
DOIs	https://doi.org/10.1088/0268-1242/1/6/005
State	Published - Dec 1 1986

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering
Materials Chemistry

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AB - The authors investigate optical bistability in CdS, induced by photo-electronic non-linearities. Varying the photon energy and the temperature of the sample they find three different types of optical bistability. The switching times are always around 1 ns or below, notably 300 ps for dispersive optical bistability. Optical bistability by bleaching of absorption at room temperature shows a contrast ratio of about 50 between the two stable branches. The dependence on various parameters, including the microscopic foundations, is discussed experimentally as well as theoretically.

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