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Proceedings Paper

Recent progress towards acoustically mediated carrier injection into individual nanostructures for single photon generation
Author(s): Stefan Völk; Florian J. R. Schülein; Florian Knall; Achim Wixforth; Hubert J. Krenner; Arne Laucht; Jonathan J Finley; Juha Riikonen; Marco Mattila; Markku Sopanen; Harri Lipsanen; Jun He; Tuan A. Truong; Hyochul Kim; Pierre M. Petroff
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Paper Abstract

We report on recent progress towards single photon sources based on quantum dot and quantum post nanostructures which are manipulated using surface acoustic waves. For this concept acoustic charge conveyance in a quantum well is used to spatially separate electron and hole pairs and transport these in the plane of the quantum well. When conveyed to the location of a quantum dot or quantum post these carriers are sequentially captured into the confined levels. Their radiative decays gives rise to the emission of a train of single photons. Three different approaches using (i) straininduced and (ii) self-assembled quantum dots, and (iii) self-assembled quantum posts are discussed and their application potential is discussed. First devices and initial experiments towards the realization of such an acoustically driven single photon source are presented and remote acoustically triggered injection into few individual emitters is demonstrated.

Paper Details

Date Published: 24 February 2010
PDF: 11 pages
Proc. SPIE 7610, Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling VII, 76100J (24 February 2010); doi: 10.1117/12.842511
Show Author Affiliations
Stefan Völk, Univ. Augsburg (Germany)
Florian J. R. Schülein, Univ. Augsburg (Germany)
Florian Knall, Univ. Augsburg (Germany)
Achim Wixforth, Univ. Augsburg (Germany)
Hubert J. Krenner, Univ. Augsburg (Germany)
Arne Laucht, Walter Schottky Institut, Technische Univ. München (United States)
Jonathan J Finley, Walter Schottky Institut, Technische Univ. München (United States)
Juha Riikonen, Helsinki Univ. of Technology (Finland)
Marco Mattila, Helsinki Univ. of Technology (Finland)
Markku Sopanen, Helsinki Univ. of Technology (Finland)
Harri Lipsanen, Helsinki Univ. of Technology (Finland)
Jun He, Univ. of California, Santa Barbara (United States)
Tuan A. Truong, Univ. of California, Santa Barbara (United States)
Hyochul Kim, Univ. of California, Santa Barbara (United States)
Pierre M. Petroff, Univ. of California, Santa Barbara (United States)


Published in SPIE Proceedings Vol. 7610:
Quantum Dots and Nanostructures: Synthesis, Characterization, and Modeling VII
Kurt G. Eyink; Frank Szmulowicz; Diana L. Huffaker, Editor(s)

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