利用周期性极化氧化镁掺杂铌酸锂高效产生高压缩光。
Efficient generation of highly squeezed light with periodically poled MgO:LiNbO3.
作者信息
Masada Genta, Suzudo Tsuyoshi, Satoh Yasuhiro, Ishizuki Hideki, Taira Takunori, Furusawa Akira
机构信息
1Department of Applied Physics, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
出版信息
Opt Express. 2010 Jun 7;18(12):13114-21. doi: 10.1364/OE.18.013114.
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.
我们报道了利用周期性极化MgO:LiNbO₃（PPMgLN）晶体高效产生连续波光压缩光和二次谐波的情况，这使我们能够利用大的非线性光学系数d₃₃。通过使用带有PPMgLN晶体的亚阈值光学参量振荡器，我们在860nm处实现了-7.60±0.15dB的压缩水平。我们还通过在外腔中使用PPMgLN晶体，从570mW的基波中产生了400mW的430nm二次谐波，转换效率为70%。
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