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

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...

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Bibliographic Details
Published inOptics express Vol. 19; no. 3; pp. 2440 - 2447
Main Authors Kang, Sungsam, Lim, Sooin, Hwang, Myounggyu, Kim, Wookrae, Kim, Jung-Ryul, An, Kyungwon
Format Journal Article
LanguageEnglish
Published United States 31.01.2011
Subjects
Computer-Aided Design
Equipment Design
Equipment Failure Analysis
Lasers, Solid-State
Lighting - instrumentation
Photons
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Summary: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.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.19.002440