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Proceedings Paper

FIR multiphoton absorption and photon drag effects in degenerate valence band semiconductors
Author(s): S. D. Ganichev
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Paper Abstract

Intraband linear-circular multiphoton dichroism of far infrared absorption in p-Ge has been observed for thefirst time. Previously this nonlinear optical phenomenon was observed only under the valence-conductioninterband electronic transitions induced by IR or visible-range radiation. Experimentally, the dependencies of theoptical transmission and the photon drag effect on the FIR radiation (X = 90 gm) intensity and polarisation havebeen investigated in p-type Ge crystals. A polarisation dependent sign inversion of the photon drag effect withincreasing radiation intensity has been also observed.

Paper Details

Date Published: 30 August 1993
PDF: 2 pages
Proc. SPIE 2104, 18th International Conference on Infrared and Millimeter Waves, 210436 (30 August 1993); doi: 10.1117/12.2298546
Show Author Affiliations
S. D. Ganichev, Ioffe Institute (Russian Federation)


Published in SPIE Proceedings Vol. 2104:
18th International Conference on Infrared and Millimeter Waves
James R. Birch; Terence J. Parker, Editor(s)

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