Single-mode operation of a high-brightness narrow-band single-photon source

被引：36
|
作者：
Scholz, M. [1 ]
Koch, L. [1 ]
Ullmann, R. [1 ]
Benson, O. [1 ]
机构：
[1] Humboldt Univ, Dept Phys, Nanoopt Grp, D-10117 Berlin, Germany
来源：
APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 20期
关键词：
brightness; light sources; optical filters; optical parametric devices; quantum optics; FREQUENCY STABILIZATION; QUANTUM COMMUNICATION; LINEAR OPTICS; TELEPORTATION; COMPUTATION;
D O I：
10.1063/1.3139768
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We demonstrate a narrow-band single-photon source based on cavity-enhanced parametric downconversion for efficient coupling to atomic quantum memories. Selecting a single longitudinal cavity mode by spectral filtering, we achieve a spectral brightness of similar to 330 biphotons/(s mW MHz) and an overall bandwidth of 2.7 MHz, which suits the width of naturally broadened transitions in alkali gases like rubidium or cesium.
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页数：3
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