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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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.
| Author(s): | Robb, G.R.M., McNeil, B.W.J., Galbraith, I. and Jaroszynski, D.A. | 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: | 03 Jan 2019 11:15 |
| URI: | https://strathprints.strath.ac.uk/id/eprint/2935 |
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