Time-resolved observation of coherent phonons by the Franz-Keldysh effect
Time-resolved observation of coherent phonons by the Franz-Keldysh effect
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1996
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Physical Review B ; 53 (1996), 11. - pp. 6904-6907
Abstract
We report on the time-resolved observation of coherent optical phonons in GaAs by the Franz-Keldysh effect. This effect leads to a modulation of the optical interband transitions with a nonlinear dependence on the macroscopic electric field associated with the coherent phonons. We find that the nonlinear electro-optic effect forms a far more efficient detection mechanism for coherent phonons than the linear electro-optic effect near the band gap.
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530 Physics
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CHO, Gyu Cheon, Huib J. BAKKER, Thomas DEKORSY, Heinrich KURZ, 1996. Time-resolved observation of coherent phonons by the Franz-Keldysh effect. In: Physical Review B. 53(11), pp. 6904-6907. Available under: doi: 10.1103/PhysRevB.53.6904BibTex
@article{Cho1996Timer-9343, year={1996}, doi={10.1103/PhysRevB.53.6904}, title={Time-resolved observation of coherent phonons by the Franz-Keldysh effect}, number={11}, volume={53}, journal={Physical Review B}, pages={6904--6907}, author={Cho, Gyu Cheon and Bakker, Huib J. and Dekorsy, Thomas and Kurz, Heinrich} }
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