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Proceedings Paper

Single spins in semiconductor quantum dot microcavities
Author(s): Sven Höfling; Kristiaan De Greve; Peter L. McMahon; David Press; Leo Yu; Jason S. Pelc; Chandra M. Natarajan; Na Young Kim; Thaddeus Ladd; Eisuke Abe; Sebastian Maier; Dirk Bisping; Fabian Langer; Christian Schneider; Martin Kamp; Robert H. Hadfield; Alfred Forchel; M. M. Fejer; Yoshihisa Yamamoto
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Paper Abstract

Semiconductor quantum dots can be utilized to capture single electron or hole spins and they have therewith promise for various applications in fields like spintronics, spin based quantum information processing and chiral photonics. We integrate quantum dots into semiconductor microcavities to enhance light-matter interaction for ultrafast optical manipulation and read-out. Single electron and single hole spins can be statistically or deterministically loaded into the quantum dots and coherently controlled. Within the about μs-coherence times of the spins about 105 complete single qubit rotations can be performed with ultrafast optical pulses. By utilizing a Λ-type energy level system of a single quantum-dot electron spin in a magnetic field and ultrafast non-linear frequency conversion, quantum-dot spin-photon entanglement is observed.

Paper Details

Date Published: 26 September 2013
PDF: 7 pages
Proc. SPIE 8813, Spintronics VI, 88130F (26 September 2013); doi: 10.1117/12.2025332
Show Author Affiliations
Sven Höfling, Julius-Maximilians-Univ. Würzburg (Germany)
Stanford Univ. (United States)
Kristiaan De Greve, Stanford Univ. (United States)
Peter L. McMahon, Stanford Univ. (United States)
David Press, Stanford Univ. (United States)
Leo Yu, Stanford Univ. (United States)
Jason S. Pelc, Stanford Univ. (United States)
Chandra M. Natarajan, Stanford Univ. (United States)
Na Young Kim, Stanford Univ. (United States)
Thaddeus Ladd, Stanford Univ. (United States)
Eisuke Abe, Stanford Univ. (United States)
National Institute of Informatics (Japan)
Sebastian Maier, Julius-Maximilians-Univ. Würzburg (Germany)
Dirk Bisping, Julius-Maximilians-Univ. Würzburg (Germany)
Fabian Langer, Julius-Maximilians-Univ. Würzburg (Germany)
Christian Schneider, Stanford Univ. (United States)
Martin Kamp, Julius-Maximilians-Univ. Würzburg (Germany)
Robert H. Hadfield, Heriot-Watt Univ. (United Kingdom)
Alfred Forchel, Julius-Maximilians-Univ. Würzburg (Germany)
M. M. Fejer, Julius-Maximilians-Univ. Würzburg (Germany)
Yoshihisa Yamamoto, Stanford Univ. (United States)
National Institute of Informatics (Japan)

Published in SPIE Proceedings Vol. 8813:
Spintronics VI
Henri-Jean Drouhin; Jean-Eric Wegrowe; Manijeh Razeghi, Editor(s)

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