The ultrafast dynamics of nonequilibrium carriers of LT GaAs was studied using femtosecond spectroscopy. The effects of carrier initial scattering, carrier phonon interaction and carrier trapping on carrier relaxation properties were analyzed. A carrier trapping time of 500fs was measured, which was found to increase with decreasing carrier excess energy.
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文锦辉,陈颖宇,黄淳,张海潮,林位株.低温生长GaAs非平衡载流子的超快动力学特性[J].红外与毫米波学报,1999,18(3):195~200]. WEN Jin Hui CHNE Ying Yu HUANG Chun ZHANG Hai Chao LIN Wei Zhu. ULTRAFAST CARRIER DYNAMICS OF LOW TEMPERATURE GROWN GaAs[J]. J. Infrared Millim. Waves,1999,18(3):195~200.]
