Reducing noise in single-photon-level frequency conversion

被引：55

作者：

Kuo, Paulina S. ^{[1
,2
,3
]}

Pelc, Jason S. ^{[4
]}

Slattery, Oliver ^{[1
]}

Kim, Yong-Su ^{[1
]}

Fejer, M. M. ^{[4
]}

Tang, Xiao ^{[1
]}

机构：

[1] NIST, Informat Technol Lab, Gaithersburg, MD 20899 USA

[2] NIST, Joint Quantum Inst, Gaithersburg, MD 20899 USA

[3] Univ Maryland, Gaithersburg, MD 20899 USA

[4] Stanford Univ, Edward L Ginzton Lab, Stanford, CA 94305 USA

来源：

OPTICS LETTERS | 2013年 / 38卷 / 08期

关键词：

LINBO3; WAVE-GUIDES; UP-CONVERSION; WAVELENGTH; DETECTOR; INTERFACE; EFFICIENT; BAND;

D O I：

10.1364/OL.38.001310

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate low-noise and efficient frequency conversion by sum-frequency mixing in a periodically poled LiNbO3 (PPLN) waveguide. Using a 1556 nm pump, 1302 nm photons are efficiently converted to 709 nm photons. We obtain 70% conversion efficiency in the PPLN waveguide and >50% external conversion efficiency with 600 noise counts per second at peak conversion with continuous-wave pumping. We simultaneously achieve low noise and high conversion efficiency by careful spectral filtering. We discuss the impact of low-noise frequency translation on single-photon upconversion detection and quantum information applications. (C) 2013 Optical Society of America

引用

页码：1310 / 1312

页数：3

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