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Single quantum dot nanowire LEDs

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arxiv cond-mat/0701119 v1 pith:VGXSJOIN submitted 2007-01-06 cond-mat.mes-hall cond-mat.mtrl-sci

Single quantum dot nanowire LEDs

Ethan D. Minot , Freek Kelkensberg , Maarten van Kouwen , Jorden A. van Dam , Leo P. Kouwenhoven , Valery Zwiller , Magnus T. Borgstrom , Olaf Wunnicke
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Marcel A. Verheijen Erik P. A. M. Bakkers
This is my paper
classification cond-mat.mes-hall cond-mat.mtrl-sci
keywords nanowirequantumexperimentssingleapplicationscandidatesconsistentdemonstrating
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We report reproducible fabrication of InP-InAsP nanowire light emitting diodes in which electron-hole recombination is restricted to a quantum-dot-sized InAsP section. The nanowire geometry naturally self-aligns the quantum dot with the n-InP and p-InP ends of the wire, making these devices promising candidates for electrically-driven quantum optics experiments. We have investigated the operation of these nano-LEDs with a consistent series of experiments at room temperature and at 10 K, demonstrating the potential of this system for single photon applications.

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