EXPERIMENTAL AND THEORETICAL INVESTIGATION OF FEMTOSECOND CARRIER RELAXATION IN CDSE

被引:12
作者
FLUEGEL, BD [1 ]
PAUL, A [1 ]
MEISSNER, K [1 ]
BINDER, R [1 ]
KOCH, SW [1 ]
PEYGHAMBARIAN, N [1 ]
SASAKI, F [1 ]
MISHINA, T [1 ]
MASUMOTO, Y [1 ]
机构
[1] UNIV TSUKUBA,INST PHYS,TSUKUBA,IBARAKI 305,JAPAN
关键词
D O I
10.1016/0038-1098(92)90005-T
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
A femtosecond spectral hole burning technique is employed to study the relaxation of nonequilibrium carriers via carrier-carrier and carrier-LO-phonon scattering. Excitation by 70-fs laser pulses several LO phonon energies above the exciton resonance at 10 K in CdSe results in a transient spectral hole that disappears in less than 100 fs. The experiments are compared with a theory that involves numerical evaluation of the semiconductor Bloch equations in the presence of carrier-carrier and carrier-LO phonon scattering.
引用
收藏
页码:17 / 19
页数:3
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