Abstract
We demonstrate a single-photon source based on a quantum dot in a micropost microcavity that exhibits a large Purcell factor together with a small multiphoton probability. For a quantum dot on resonance with the cavity, the spontaneous emission rate is increased by a factor of 5, while the probability to emit two or more photons in the same pulse is reduced to 2% compared to a Poisson-distributed source of the same intensity. In addition to the small multiphoton probability, such a strong Purcell effect is important in a single-photon source for improving the photon outcoupling efficiency and the single-photon generation rate, and for bringing the emitted photon pulses closer to the Fourier transform limit.
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Dates
Type | When |
---|---|
Created | 22 years, 3 months ago (May 22, 2003, 6:01 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 3, 2024, 7:36 p.m.) |
Indexed | 3 days, 23 hours ago (Aug. 22, 2025, 12:45 a.m.) |
Issued | 22 years, 3 months ago (May 26, 2003) |
Published | 22 years, 3 months ago (May 26, 2003) |
Published Print | 22 years, 3 months ago (May 26, 2003) |
@article{Vu_kovi__2003, title={Enhanced single-photon emission from a quantum dot in a micropost microcavity}, volume={82}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1577828}, DOI={10.1063/1.1577828}, number={21}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Vučković, Jelena and Fattal, David and Santori, Charles and Solomon, Glenn S. and Yamamoto, Yoshihisa}, year={2003}, month=may, pages={3596–3598} }