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Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2005

Phonon Bloch oscillations in acoustic-cavity structures

N. D. Lanzillotti Kimura
A. Fainstein

Résumé

We describe a semiconductor multilayer structure based in acoustic-phonon cavities and achievable with molecular beam epitaxy technology, designed to display acoustic-phonon Bloch oscillations. We show that forward and backscattering Raman spectra give a direct measure of the created phononic Wannier-Stark ladder. We also discuss the use of femtosecond laser impulsions for the generation and direct probe of the induced phonon Bloch oscillations. We propose a gedanken experiment based in an integrated phonon source-structure-detector device, and we present calculations of pump and probe time-dependent optical reflectivity that evidence temporal beatings in agreement with the Wannier-Stark ladder energy splitting.

Dates et versions

hal-00005406 , version 1 (16-06-2005)

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Citer

N. D. Lanzillotti Kimura, A. Fainstein, Bernard Jusserand. Phonon Bloch oscillations in acoustic-cavity structures. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2005, 71, pp.041305. ⟨10.1103/PhysRevB.71.041305⟩. ⟨hal-00005406⟩
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