Single quantum dot nanowire LEDs

Details Single quantum dot nanowire LEDs Single quantum dot nanowire LEDs

2007-01-06

arxiv.org/abs/cond-mat/0701119v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

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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