An Efficient Source of Single Photons: A Single Quantum Dot in a Micropost Microcavity

Details An Efficient Source of Single Photons: A Single Quantum Dot in a Micropost Microcavity An Efficient Source of Single Photons: A Single Quantum Dot in a Micropost Microcavity

2002-08-08

arxiv.org/abs/quant-ph/0208054v1

Physics

Quantum Physics

Scientific paper

10.1016/S1386-9477(02)00872-X

We have demonstrated efficient production of triggered single photons by coupling a single semiconductor quantum dot to a three-dimensionally confined optical mode in a micropost microcavity. The efficiency of emitting single photons into a single-mode travelling wave is approximately 38%, which is nearly two orders of magnitude higher than for a quantum dot in bulk semiconductor material. At the same time, the probability of having more than one photon in a given pulse is reduced by a factor of seven as compared to light with Poissonian photon statistics.

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