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Controlled generation of single photons in a coupled atom-cavity system at a fast repetition-rate.

著者 Kang S , Lim S , Hwang M , Kim W , Kim JR , An K
Opt Express.2011 Jan 31 ; 19(3):2440-7.
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We have demonstrated high-speed controlled generation of single photons in a coupled atom-cavity system. A single 85Rb atom, pumped with a nanosecond-pulse laser, generates a single photon into the cavity mode, and the photon is then emitted out the cavity rapidly. By employing cavity parameters for a moderate coupling regime, the single-photon emission process was optimized for both high efficiency and fast bit rates up to 10 MHz. The temporal single-photon wave packet was studied by means of the photon-arrival-time distribution relative to the pump pulse and the efficiency of the single-photon generation was investigated as the pump power. The single-photon nature of the emission was confirmed by the second-order correlation of emitted photons.
PMID: 21369063 [PubMed - indexed for MEDLINE]
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