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Opt Express. 2010 Jun 7;18(12):13114-21. doi: 10.1364/OE.18.013114.

Efficient generation of highly squeezed light with periodically poled MgO:LiNbO3.

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  • 11Department of Applied Physics, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan. g.masada@lab.tamagawa.ac.jp

Abstract

We report on efficient generation of continuous-wave squeezed light and second harmonics with a periodically poled MgO:LiNbO(3) (PPMgLN) crystal which enables us to utilize the large nonlinear optical coefficient d(33). We achieved the squeezing level of -7.60+/-0.15 dB at 860 nm by utilizing a subthreshold optical parametric oscillator with a PPMgLN crystal. We also generated 400 mW of second harmonics at 430 nm from 570 mW of fundamental waves with 70% of conversion efficiency by using a PPMgLN crystal inside an external cavity.

PMID:
20588441
[PubMed]
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