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Chirp Control of Free Carrier Injection in GaAs Using Femtosecond Optical Pulses
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- Watanabe Naoki
- Institute of Applied Physics, University of Tsukuba
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- Yano Ryuzi
- NTT Basic Research Laboratories, NTT Corporation
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- Yogi Takeshi
- Institute of Applied Physics, University of Tsukuba
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- Hama Yoshikazu
- Institute of Applied Physics, University of Tsukuba
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- Hattori Toshiaki
- Institute of Applied Physics, University of Tsukuba
Bibliographic Information
- Published
- 2005
- DOI
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- 10.1143/jjap.44.6101
- Publisher
- The Japan Society of Applied Physics
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Description
Control of photoinjection of free carriers in bulk GaAs at room temperature was achieved by changing the chirp of the excitation light pulses having a duration in the 10 fs regime. It was observed from pump-probe measurements that the transmittance increases for negatively chirped pump pulses, which is opposite to the trend observed with other materials. The result is explained by a combination of an intrapulse pump-dump process and band-gap renormalization, and shows the possibility of a new way to control the ultrafast dynamics of many-body systems in semiconductors.
Journal
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 44 (8), 6101-6104, 2005
The Japan Society of Applied Physics
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Keywords
Details 詳細情報について
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- CRID
- 1390282681241769600
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- NII Article ID
- 40006818281
- 210000058616
- 130004534586
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- NII Book ID
- AA10457675
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- ISSN
- 13474065
- 00214922
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- NDL BIB ID
- 7402451
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed
