Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
77 (1995), S. 429-431
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The dephasing dynamics of the continuum states has been investigated in bulk CdSxSe1−x mixed crystals with two- and three-beam four-wave mixing experiments using 10 fs pulses. Decay times, varying between 17 and 4 fs as a function of the density of electron-hole pairs (8×1016–1018 cm−3), indicate efficient Coulomb scattering with reduced screening as compared to bulk GaAs. Oscillations with 18 fs period which disappear within a few tens of femtoseconds are attributed to intervalence band quantum beats damped by intraband carrier thermalization. © 1995 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.359348
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