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Conferences > CLEO_QELS > 2016 > FW1N > FW1N.7

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

Keisuke Shinokita, Klaus Reimann, Michael Woerner, Thomas Elsaesser, Rudolf Hey, and Christos Flytzanis

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Abstract

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.

© 2016 Optical Society of America

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