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Optics Letters

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  • Vol. 25, Iss. 21 — Nov. 1, 2000
  • pp: 1609–1611

Optical phonon dynamics of GaAs studied with time-resolved terahertz spectroscopy

G. C. Cho, P. Y. Han, X.-C. Zhang, and H. J. Bakker  »View Author Affiliations


Optics Letters, Vol. 25, Issue 21, pp. 1609-1611 (2000)
http://dx.doi.org/10.1364/OL.25.001609


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Abstract

We investigate the reflection near the reststrahlen band of the optical phonon in bulk GaAs in the time domain, using time-resolved terahertz spectroscopy. We find that the dynamics of the reflection measured for GaAs differs strongly from the reflection dynamics that would be expected for a TO phonon with a frequency-independent dephasing time.

© 2000 Optical Society of America

OCIS Codes
(300.6250) Spectroscopy : Spectroscopy, condensed matter
(300.6270) Spectroscopy : Spectroscopy, far infrared
(300.6500) Spectroscopy : Spectroscopy, time-resolved
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

Citation
G. C. Cho, P. Y. Han, X.-C. Zhang, and H. J. Bakker, "Optical phonon dynamics of GaAs studied with time-resolved terahertz spectroscopy," Opt. Lett. 25, 1609-1611 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-21-1609


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