Modulation of single quantum dot energy levels by a surface-acoustic-wave

Gell, J. R. and Ward, M. B. and Young, R. J. and Stevenson, R. M. and Atkinson, P. and Anderson, D. and Jones, G. A. C. and Ritchie, D. A. and Shields, A. J. (2008) Modulation of single quantum dot energy levels by a surface-acoustic-wave. Applied Physics Letters, 93 (8). -. ISSN 0003-6951

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This letter presents an experimental investigation into the effect of a surface-acoustic-wave (SAW) on the emission of a single InAs quantum dot. The SAW causes the energy of the transitions within the dot to oscillate at the frequency of the SAW, producing a characteristic broadening of the emission lines in their time-averaged spectra. This periodic tuning of the transition energy is used as a method to regulate the output of a device containing a single quantum dot and we study the system as a high-frequency periodic source of single photons. (C) 2008 American Institute of Physics.

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Journal Article
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Applied Physics Letters
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07 Jun 2012 10:42
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21 Nov 2022 22:22