Femtosecond Optical Control of Coherent Charge Oscillations in Semiconductors and of Coherent Terahertz Radiation
Femtosecond Optical Control of Coherent Charge Oscillations in Semiconductors and of Coherent Terahertz Radiation
批准号:
9722668
负责人:
Andrew Weiner
金额:
$52.99万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1997
资助国家:
美国
项目状态:
已结题
起止时间:
1997-08-01 至 2001-07-31
中文摘要
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英文摘要
The research in this program consists of studies in coherent control using specially crafted femtosecond laser pulses. One portion of the research focuses on control within specially designed layered semiconductor materials. Quantum mechanical charge oscillations in GaAs/GaA1As superlattice structures are excited through shaped laser pulses, and growth and pulse conditions are sought for which these excitations can be enhanced. The second part of the activity focuses on the generation of tailored THz electromagnetic waveforms produced by illuminating ultrafast photoconductive antennas with shaped femtosecond pulses.
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海外基金