A quantum dot single-photon turnstile device
Michler, P. and Kiraz, A. and Becher, C. and Schoenfeld, W. V. and Petroff, P. M. and Zhang, L. D. and Hu, E. and İmamoğlu, Ataç (2000) A quantum dot single-photon turnstile device. Science, 290 (5500). pp. 2282-2285. ISSN 0036-8075
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Official URL: http://dx.doi.org/10.1126/science.290.5500.2282
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.
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