Controlled single-photon emission from a single trapped two-level atom

Darquie, B; Jones, M.P.A.; Dingjan, J.; Beugnon, J.; Bergamini, S.; Sortais, Y.; Messin, G.; Browaeys, A. and Grangier, P. (2005). Controlled single-photon emission from a single trapped two-level atom. Science, 309(5733) pp. 454–456.

DOI: https://doi.org/10.1126/science.1113394

Abstract

By illuminating an individual rubidium atom stored in a tight optical tweezer with short resonant light pulses, we created an efficient triggered source of single photons with a well-defined polarization. The measured intensity correlation of the emitted tight pulses exhibits almost perfect antibunching. Such a source of high-rate, fully controlled single-photon pulses has many potential applications for quantum information processing.

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