Experimental study on mode matching for preparation of squeezed light at 1064 nm

被引：4
|
作者：
Feng, Fei [1 ,2 ]
Zhang, Tongyi [1 ]
Qu, Wenyan [1 ,2 ]
Song, Jiazheng [1 ]
机构：
[1] Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
来源：
OPTICAL ENGINEERING | 2013年 / 52卷 / 08期
基金：
中国国家自然科学基金;
关键词：
squeezed light; mode matching; balanced homodyne detection; OPTICAL PARAMETRIC OSCILLATOR; GENERATION;
D O I：
10.1117/1.OE.52.8.086102
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The effect of mode matching on the preparation of the squeezed light at 1064 nm with periodically poled KTiOPO4 (PPKTP) crystal is reported. We can derive the desired mode by improving the spatial mode matching into optical cavities, including the beam from the laser mode matched to the optical parametric amplifier cavity and mode cleaning cavity; also it is useful for the stability of the locking systems. By increasing the fringe visibility between the squeezed light and the local oscillator beam, a squeezing level of -8.75 dB or even higher could be observed, even with the same experimental parameters as described elsewhere. (C) 2013 Society of Photo-Optical Instrumentation Engineers (SPIE)
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页数：5
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