A Quantum Dot Single-Photon Turnstile Device
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- 22 December 2000
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 290 (5500), 2282-2285
- https://doi.org/10.1126/science.290.5500.2282
Abstract
Quantum communication relies on the availability of light pulses with strong quantum correlations among photons. An example of such an optical source is a single-photon pulse with a vanishing probability for detecting two or more photons. Using pulsed laser excitation of a single quantum dot, a single-photon turnstile device that generates a train of single-photon pulses was demonstrated. For a spectrally isolated quantum dot, nearly 100% of the excitation pulses lead to emission of a single photon, yielding an ideal single-photon source.Keywords
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