Generation of bright visible photon pairs using a periodically poled stoichiometric lithium tantalate crystal

被引：7

作者：

Lee, Hee Jung ^{[1
]}

Kim, Heonoh ^{[1
]}

Cha, Myoungsik ^{[1
]}

Moon, Han Seb ^{[1
]}

机构：

[1] Pusan Natl Univ, Dept Phys, Busan 609735, South Korea

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 11期

基金：

新加坡国家研究基金会;

关键词：

POLARIZATION-ENTANGLED PHOTONS; LITAO3; GROWTH;

D O I：

10.1364/OE.23.014203

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a 711-nm-wavelength efficient photon-pair source under the condition of non-collinear type-0 quasi-phase-matching configuration in a periodically poled MgO-doped stoichiometric lithium tantalate (PPSLT) crystal pumped by a 355.7-nm laser. Such degenerate visible photon-pairs in the wavelength region of 710 nm are practically useful for increasing the data collection rate in silicon-based single photon detectors. We confirm that the visible photon pairs in the PPSLT crystal form a bright, high-purity source of correlated photons. Our results show a coincidence counting rate per input pump power of 98,500 Hz/mW, conversion efficiency of 1.66 x 10(-9), and second-order coherence function g((2))(0) of 0.087 +/- 0.002/mW. (C) 2015 Optical Society of America

引用

页码：14203 / 14210

页数：8

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