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Proceedings Paper

Nanoscale single quantum dot devices at 1300 nm
Author(s): Andrea Fiore; Carl Zinoni; Blandine Alloing; Valery Zwiller; Lianhe H. Li; Christelle Monat
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Paper Abstract

We describe the realization and characterization of nanoscale light emitters comprising one or few semiconductor quantum dots (QDs) in the active region. These devices are intended for use as single-photon sources in fiber-based quantum cryptography systems. The epitaxial growth of low-density QDs emitting at 1300 nm is described, and emission from single QDs is demonstrated through micro-photoluminescence measurements. The realization of QD light-emitting diodes (LEDs) having a submicrometer active area is reported, based on oxidized current apertures. Finally, the integration of nanoscale current injection with high-quality factor optical cavities is described, in view of obtaining efficient single-photon LEDs.

Paper Details

Date Published: 4 April 2005
PDF: 10 pages
Proc. SPIE 5734, Quantum Dots, Nanoparticles, and Nanoclusters II, (4 April 2005); doi: 10.1117/12.598039
Show Author Affiliations
Andrea Fiore, Ecole Polytechnique Federale de Lausanne (Switzerland)
Carl Zinoni, Ecole Polytechnique Federale de Lausanne (Switzerland)
Blandine Alloing, Ecole Polytechnique Federale de Lausanne (Switzerland)
Valery Zwiller, Ecole Polytechnique Federale de Lausanne (Switzerland)
Lianhe H. Li, Ecole Polytechnique Federale de Lausanne (Switzerland)
Christelle Monat, Ecole Polytechnique Federale de Lausanne (Switzerland)


Published in SPIE Proceedings Vol. 5734:
Quantum Dots, Nanoparticles, and Nanoclusters II
Diana L. Huffaker; Pallab K. Bhattacharya, Editor(s)

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