Bright, single-spatial-mode source of frequency non-degenerate, polarization-entangled photon pairs using periodically poled KTP

被引:68
|
作者
Pelton, M [1 ]
Marsden, P
Ljunggren, D
Tengner, M
Karlsson, A
Fragemann, A
Canalias, C
Laurell, F
机构
[1] Royal Inst Technol, Dept Microelect & Informat Technol, Electrum 229, SE-16440 Kista, Sweden
[2] Royal Inst Technol, Dept Phys, SE-10691 Stockholm, Sweden
来源
OPTICS EXPRESS | 2004年 / 12卷 / 15期
关键词
D O I
10.1364/OPEX.12.003573
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We use two perpendicular crystals of periodically-poled KTP to directly generate polarization-entangled photon pairs, the majority of which are emitted into a single Gaussian spatial mode. The signal and idler photons have wavelengths of 810 nm and 1550 nm, respectively, and the photon-pair generation rate is 1.2 x 10(7) sec(-1) for a pump power of 62 mW. The apparatus is compact, flexible, and easily to use. (C) 2004 Optical Society of America.
引用
收藏
页码:3573 / 3580
页数:8
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