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Proceedings Paper

Terahertz nonlinear spectroscopy of free-carriers in direct bandgap semiconductors
Author(s): L. Razzari; F. Blanchard; F. H. Su; G. Sharma; A. Ayesheshim; T. L. Cocker; L. V. Titova; H.-C. Bandulet; R. Morandotti; J.-C. Kieffer; T. Ozaki; M. Reid; F. A. Hegmann
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Paper Abstract

Nonlinear dynamics of free-carriers in direct bandgap semiconductors at terahertz (THz) frequencies is studied using intense few-cycle pulses. Techniques as Z-scan, THz-pump / THz-probe, and optical-pump/ THz-probe are employed to explore nonlinear interactions in both n-doped and photoexcited systems. The physical mechanism that gives rise to such interactions is found to be intervalley scattering.

Paper Details

Date Published: 28 August 2010
PDF: 6 pages
Proc. SPIE 7763, Terahertz Emitters, Receivers, and Applications, 77630B (28 August 2010); doi: 10.1117/12.858332
Show Author Affiliations
L. Razzari, INRS-EMT. Univ. du Québec (Canada)
Univ. di Pavia (Italy)
F. Blanchard, INRS-EMT. Univ. du Québec (Canada)
F. H. Su, Univ. of Alberta (Canada)
G. Sharma, INRS-EMT. Univ. du Québec (Canada)
A. Ayesheshim, Univ. of Alberta (Canada)
T. L. Cocker, Univ. of Alberta (Canada)
L. V. Titova, Univ. of Alberta (Canada)
H.-C. Bandulet, INRS-EMT. Univ. du Québec (Canada)
R. Morandotti, INRS-EMT. Univ. du Québec (Canada)
J.-C. Kieffer, INRS-EMT. Univ. du Québec (Canada)
T. Ozaki, INRS-EMT. Univ. du Québec (Canada)
M. Reid, Univ. of Northern British Columbia (Canada)
F. A. Hegmann, Univ. of Alberta (Canada)


Published in SPIE Proceedings Vol. 7763:
Terahertz Emitters, Receivers, and Applications
Jean-François Lampin; Didier J. Decoster; Manijeh Razeghi, Editor(s)

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