Femtosecond intervalley scattering in GaAs

Becker, P. C.; Fragnito, H. L.; Brito Cruz, C. H.; Shah, J.; Fork, R. L.; Cunningham, J. E.; Henry, J. E.; Shank, C. V.
November 1988
Applied Physics Letters;11/21/1988, Vol. 53 Issue 21, p2089
Academic Journal
We report the measurement of intervalley scattering rates for optically excited carriers in GaAs. The measurements were performed using optical pulses of 6 fs duration and an energy distribution centered at 2.0 eV. The average rates for Γ→X and Γ→L intervalley scattering were separately estimated by varying the sample temperature.


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