Normal-incident intersubband photocurrent spectroscopy on InAs/GaAs quantum dots

L. Chu; A. Zrenner; G. Böhm; G. Abstreiter

doi:10.1063/1.125400

Normal-incident intersubband photocurrent spectroscopy on InAs/GaAs quantum dots

L. Chu, A. Zrenner, G. Böhm, G. Abstreiter

TUM Emeriti of Excellence

Walter Schottky Institut

Research output: Contribution to journal › Article › peer-review

132 Scopus citations

Abstract

We report on intersubband photocurrent spectroscopy of self-assembled InAs/GaAs quantum dots (QDs) both in normal incidence and in multipass waveguide geometry. The bound-to-continuum transition energy in the conduction band lies in the 200-500 meV spectral range. Polarization dependent photocurrent spectroscopy shows that the intersubband transitions in the InAs-QDs are nearly independent of the polarization of the incoming radiation.

Original language	English
Pages (from-to)	3599-3601
Number of pages	3
Journal	Applied Physics Letters
Volume	75
Issue number	23
DOIs	https://doi.org/10.1063/1.125400
State	Published - 6 Dec 1999

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abstract = "We report on intersubband photocurrent spectroscopy of self-assembled InAs/GaAs quantum dots (QDs) both in normal incidence and in multipass waveguide geometry. The bound-to-continuum transition energy in the conduction band lies in the 200-500 meV spectral range. Polarization dependent photocurrent spectroscopy shows that the intersubband transitions in the InAs-QDs are nearly independent of the polarization of the incoming radiation.",

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AU - Abstreiter, G.

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AB - We report on intersubband photocurrent spectroscopy of self-assembled InAs/GaAs quantum dots (QDs) both in normal incidence and in multipass waveguide geometry. The bound-to-continuum transition energy in the conduction band lies in the 200-500 meV spectral range. Polarization dependent photocurrent spectroscopy shows that the intersubband transitions in the InAs-QDs are nearly independent of the polarization of the incoming radiation.

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Normal-incident intersubband photocurrent spectroscopy on InAs/GaAs quantum dots

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