期刊
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
卷 17, 期 1-4, 页码 564-567出版社
ELSEVIER
DOI: 10.1016/S1386-9477(02)00872-X
关键词
quantum dots; microcavities; single photons
We have used a single quantum dot in a micropost microcavity to generate triggered single photons. Coupling between the quantum-dot dipole and the confined microcavity mode leads to a large enhancement of the spontaneous emission rate. This, in turn, leads to efficient coupling of the emitted photons into a single traveling-wave mode. Optimization of the microcavity design should lead to nearly unity efficiency, and could also allow for strong coupling and for single-dot lasing. (C) 2002 Elsevier Science B.V. All rights reserved.
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