Collective free-carrier scattering in semiconductors

G. R M Robb; B. W J McNeil; I. Galbraith; D. A. Jaroszynski

Collective free-carrier scattering in semiconductors

G. R M Robb
, B. W J McNeil
, I. Galbraith
, D. A. Jaroszynski

School of Engineering & Physical Sciences

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

2 Citations (Scopus)

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.

Original language	English
Article number	165208
Pages (from-to)	1652081-1652084
Number of pages	4
Journal	Physical Review B: Condensed Matter and Materials Physics
Volume	63
Issue number	16
Publication status	Published - 2001

Cite this

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title = "Collective free-carrier scattering in semiconductors",

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.",

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year = "2001",

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AU - Robb, G. R M

AU - McNeil, B. W J

AU - Galbraith, I.

AU - Jaroszynski, D. A.

PY - 2001

Y1 - 2001

N2 - 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.

AB - 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.

UR - https://www.scopus.com/pages/publications/0034879416

M3 - Article

SN - 1098-0121

VL - 63

SP - 1652081

EP - 1652084

JO - Physical Review B: Condensed Matter and Materials Physics

JF - Physical Review B: Condensed Matter and Materials Physics

IS - 16

M1 - 165208

ER -

Collective free-carrier scattering in semiconductors

Abstract

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