Single Quantum Dot Nanowire LEDs
Nano Letters2007Vol. 7(2), pp. 367–371
Citations Over TimeTop 1% of 2007 papers
Ethan D. Minot, Freek Kelkensberg, Maarten van Kouwen, Jorden A. van Dam, Leo P. Kouwenhoven, Valéry Zwiller, Magnus T. Borgström, O. Wunnicke, Marcel A. Verheijen, Erik P. A. M. Bakkers
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 nanoLEDs 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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