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Proceedings Paper

Quantum dot spin-photon entanglement and photon-to-spin teleportation
Author(s): W. B. Gao; P. Fallahi; E. Togan; A. Delteil; Y. S. Chin; J. Miguel-Sanchez; A. Imamoglu
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Paper Abstract

Entanglement plays a central role in fundamental tests of quantum mechanics as well as in the burgeoning field of quantum information processing. Particularly in the context of quantum networks and communication, a major challenge is the efficient generation of entanglement between stationary (spin) and flying (photon) qubits. Here we report the observation of quantum entanglement between a semiconductor quantum dot spin and the color of a propagating optical photon. As an extension experiment, we report the generation of a single-photon frequency qubit, interference of resonance fluorescence from two distant quantum dots and the teleportation from a flying photon to a quantum dot spin.

Paper Details

Date Published: 19 February 2014
PDF: 15 pages
Proc. SPIE 8997, Advances in Photonics of Quantum Computing, Memory, and Communication VII, 89970W (19 February 2014); doi: 10.1117/12.2043139
Show Author Affiliations
W. B. Gao, ETH Zürich (Switzerland)
P. Fallahi, ETH Zürich (Switzerland)
E. Togan, ETH Zürich (Switzerland)
A. Delteil, ETH Zürich (Switzerland)
Y. S. Chin, ETH Zürich (Switzerland)
J. Miguel-Sanchez, ETH Zürich (Switzerland)
A. Imamoglu, ETH Zürich (Switzerland)

Published in SPIE Proceedings Vol. 8997:
Advances in Photonics of Quantum Computing, Memory, and Communication VII
Zameer U. Hasan; Philip R. Hemmer; Hwang Lee; Charles M. Santori, Editor(s)

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