Dynamical coherent control of photocurrent in bulk GaAs at room temperature
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Abstract
We report coherently controlled photocurrent at room temperature in subpicosecond dynamics. The photocurrent intensity shows a periodic change depending on the time interval between the phase-locked pulses. We identify the carrier generation due to shallow acceptors in bulk GaAs by measuring the photocurrent beat period. The non-instantaneous photocurrent beat expresses the ultrafast coherent dynamics, including the dephasing process of the photogenerated carriers. We also demonstrate photocurrent direction control through manipulation of the localized states.
Journal
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- Physical Review B
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Physical Review B 90 (24), 2014-12-22
American Physical Society
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Details 詳細情報について
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- CRID
- 1050282810776463872
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- NII Article ID
- 120005522507
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- NII Book ID
- AA11187113
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- ISSN
- 10980121
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- HANDLE
- 2433/192485
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- Text Lang
- en
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- Article Type
- journal article
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- Data Source
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- IRDB
- CiNii Articles