標題: Chirped-pulse manipulated carrier dynamics in low-temperature molecular-beam-epitaxy grown GaAs
作者: Lee, Chao-Kuei
Lin, Yuan-Yao
Lin, Sung-Hui
Lin, Gong-Ru
Pan, Ci-Ling
光電工程學系
Department of Photonics
公開日期: 28-四月-2014
摘要: Chirped pulse controlled carrier dynamics in low-temperature molecular-beam-epitaxy grown GaAs are investigated by degenerate pump-probe technique. Varying the chirped condition of excited pulse from negative to positive increases the carrier relaxation time so as to modify the dispersion and reshape current pulse in time domain. The spectral dependence of carrier dynamics is analytically derived and explained by Shockley-Read Hall model. This observation enables the new feasibility of controlling carrier dynamics in ultrafast optical devices via the chirped pulse excitations. (C) 2014 AIP Publishing LLC.
URI: http://dx.doi.org/10.1063/1.4875027
http://hdl.handle.net/11536/24472
ISSN: 0003-6951
DOI: 10.1063/1.4875027
期刊: APPLIED PHYSICS LETTERS
Volume: 104
Issue: 17
結束頁: 
顯示於類別:期刊論文


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