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Generation of a squeezed vacuum resonant on a rubidium D1 line with periodically poled KTiOPO4

被引：51
作者：
Tanimura, Takahito
Akamatsu, Daisuke
Yokoi, Yoshihiko
Furusawa, Akira
Kozuma, Mikio
机构：
[1] Tokyo Inst Technol, Dept Phys, Meguro Ku, Tokyo 1528550, Japan
[2] Univ Tokyo, Sch English, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan
[3] Japan Sci & Technol Agcy, PRESTO, CREST, Chuo Ku, Tokyo 1030028, Japan
来源：
OPTICS LETTERS | 2006年 / 31卷 / 15期
关键词：
D O I：
10.1364/OL.31.002344
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the generation of a continuous-wave squeezed vacuum resonant on the Rb D-1 line (795 nm) using periodically poled KTiOPO4 (PPKTP) crystals. With a frequency doubler and an optical parametric oscillator based on PPKTP crystals, we observed a squeezing level of -2.75 +/- 0.14 dB and an antisqueezing level of +7.00 +/- 0.13 dB. This system could be utilized for demonstrating storage and retrieval of the squeezed vacuum, which is important for the ultraprecise measurement of atomic spins as well as quantum information processing. (c) 2006 Optical Society of America.
引用
收藏
页码：2344 / 2346
页数：3
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