Amplification of Coherent Sub-Terahertz Phonons by Interaction with Drift Currents in a Semiconductor Superlattice

被引：0
|
作者：
Shinokita, Keisuke [1 ]
Reimann, Klaus [1 ]
Woerner, Michael [1 ]
Elsaesser, Thomas [1 ]
Hey, Rudolf [2 ]
Flytzanis, Christos [3 ]
机构：
[1] Max Born Inst Nichtlineare Opt & Kurzzeitspektros, D-12489 Berlin, Germany
[2] Paul Drude Inst Festkorperelekt, D-10117 Berlin, Germany
[3] Ecole Normale Super, Lab Pierre Aigrain, F-75231 Paris, France
来源：
2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO) | 2016年
关键词：
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Femtosecond pump-probe experiments demonstrate a strong amplification of optically generated coherent phonons by interaction with an intra-miniband current in a biased semiconductor superlattice. Electron-phonon coupling predominantly occurs via the acoustic deformation potential.
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