Electrically Driven Quantum Dot Single Photon Source

A. Lochmann,E. Stock,O. Schulz,F. Hopfer,D. Bimberg,V. A. Haisler,A. I. Toropov,A. K. Bakarov,M. Scholz, S. Buettner,O. Benson

Physica Status Solidi (C) Current Topics in Solid State Physics（2007）

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Tech Univ Berlin

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摘要

We report on a miniature solid state emitter structure, which allows electrical pumping of only one single InAs quantum dot (QD) grown in the Stranski-Krastanow mode. The emitter demonstrates a strongly monochromatic polarized emission of a single QD exciton. Correlation measurements of the emitted photons show a clear antibunching behavior. The structure is thus attractive for practical implementation as effective single photon source for quantum cryptography. (c) 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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关键词

Single-Photon Source,Quantum Dots