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17 January 2025

» arxiv » cond-mat/0701119

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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 ; Marcel A. Verheijen ; Erik P. A. M. Bakkers ; PDF only ;
Date:	6 Jan 2007
Subject:	Mesoscopic Systems and Quantum Hall Effect; Materials Science
Abstract:	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.
Source:	arXiv, cond-mat/0701119
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