How focused pumping affects type-II spontaneous parametric down-conversion

被引：33
作者：
Lee, PSK [1 ]
van Exter, MP [1 ]
Woerdman, JP [1 ]
机构：
[1] Leiden Univ, Huygens Lab, NL-2300 RA Leiden, Netherlands
来源：
PHYSICAL REVIEW A | 2005年 / 72卷 / 03期
关键词：
D O I：
10.1103/PhysRevA.72.033803
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate that the transition from plane-wave to focused pumping in type-II down-conversion is analogous to the transition from cw to pulsed pumping. We show experimentally that focused pumping leads to asymmetric broadening of both the ordinary and extraordinary light distribution. It hardly affects the entanglement quality if proper spatial filtering is applied.
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页数：5
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