Collective free-carrier scattering in semiconductors

Robb, G.R.M. and McNeil, B.W.J. and Galbraith, I. and Jaroszynski, D.A. (2001) Collective free-carrier scattering in semiconductors. Physical Review B: Condensed Matter and Materials Physics, 63 (16). pp. 165208-165211. ISSN 1098-0121

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Official URL: http://dx.doi.org/10.1103/PhysRevB.63.165208

Abstract

We present an analysis of an undoped semiconductor strongly pumped by a coherent electromagnetic radiation field. The free-carrier dynamics and the incident and scattered fields are described classically and self-consistently. The analysis predicts the existence of a collective instability which simultaneously generates a strong free-carrier grating along the propagation direction and a coherently backscattered radiation field. An example is given showing scattered intensities approaching 100% of the pump intensity. A realistic experiment to enable observation of this phenomenon is described.

Creators(s):	Robb, G.R.M. ORCID: https://orcid.org/0000-0002-3004-5926, McNeil, B.W.J. ORCID: https://orcid.org/0000-0002-7267-611X, Galbraith, I. and Jaroszynski, D.A. ORCID: https://orcid.org/0000-0002-3006-5492;
Item type:	Article
ID code:	2935
Keywords:	semiconductors, electromagnetic radiation field, free-carrier dynamics, scattered fields, optics, Optics. Light, Electronic, Optical and Magnetic Materials, Condensed Matter Physics
Subjects:	Science > Physics > Optics. Light
Department:	Faculty of Science > Physics
Depositing user:	Mr Derek Boyle
Date deposited:	20 Feb 2007
Last modified:	20 Jan 2021 16:45
URI:	https://strathprints.strath.ac.uk/id/eprint/2935
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