We investigate the dynamics of ballistic charge currents, optically-injected into GaAs by quantum interference of 1550 and 775 nm, 150 fs pulses. Space-charge induced transport and ambipolar diffusion successively define the relaxation dynamics on a 500 fs-20 ps timescale.
Femtosecond dynamics of ballistic charge current gratings in GaAs
2005 Quantum Electronics and Laser Science Conference ; 1 ; 649-651 Vol. 1
2005-01-01
1075969 byte
Conference paper
Electronic Resource
English
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