Generation of narrow-band two-photon state with doubly resonant cavity in parametric down-conversion

被引：0
|
作者：
Ou, ZY [1 ]
机构：
[1] Indiana Univ Purdue Univ, Dept Phys, Indianapolis, IN 46202 USA
来源：
QUANTUM COMMUNICATION, COMPUTING, AND MEASUREMENT 2 | 2000年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Spontaneous parametric down-conversion normally produces two-photon state with a wide bandwidth of Tera Hz, which is too large for optical detector to resolve and will limit its application in quantum information processing. Passive filtering may be used to narrow the bandwidth at the expense of signal rate. Here we report an experiment using active filtering to narrow the bandwidth to sub Giga Hz range and in the meantime greatly enhance the signal level. The observed enhancement factor is 5.6 x 10(4) per mode.
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页码：413 / 419
页数：7
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