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Direct observation of dynamic surface acoustic wave controlled carrier injection into single quantum posts using phase-resolved optical spectroscopy

arXiv
Authors: S. Völk, F. Knall, F. J. R. Schülein, T. A. Truong, H. Kim, P. M. Petroff, A. Wixforth, H. J. Krenner

Year

2010

Paper ID

10524

Status

Preprint

Abstract Read

~2 min

Abstract Words

72

Citations

N/A

Abstract

A versatile stroboscopic technique based on active phase-locking of a surface acoustic wave to picosecond laser pulses is used to monitor dynamic acoustoelectric effects. Time-integrated multi-channel detection is applied to probe the modulation of the emission of a quantum well for different frequencies of the surface acoustic wave. For quantum posts we resolve dynamically controlled generation of neutral and charged excitons and preferential injection of holes into localized states within the nanostructure.

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  • This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
  • It adds a 2010 reference point for readers tracking recent quantum research.
  • A versatile stroboscopic technique based on active phase-locking of a surface acoustic wave to picosecond laser pulses is used to monitor dynamic acoustoelectric effects.

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