Generation of a squeezed state at 1.55 μ with periodically poled LiNbO3

doi:10.1088/1674-1056/21/10/104204

中国物理B ›› 2012, Vol. 21 ›› Issue (10): 104204-104204.doi: 10.1088/1674-1056/21/10/104204

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Generation of a squeezed state at 1.55 μ with periodically poled LiNbO₃

刘勤, 冯晋霞, 李宏, 焦月春, 张宽收

State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China

收稿日期:2012-01-18 修回日期:2012-03-20 出版日期:2012-09-01 发布日期:2012-09-01
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 60878003), the Science Foundation for Excellent Research Team of the National Natural Science Foundation of China (Grant No. 61121064), and the National Basic Research Program of China (Grant No. 2010CB923101).

Generation of a squeezed state at 1.55 μ with periodically poled LiNbO₃

Liu Qin (刘勤), Feng Jin-Xia (冯晋霞), Li Hong (李宏), Jiao Yue-Chun (焦月春), Zhang Kuan-Shou (张宽收)

State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China

Received:2012-01-18 Revised:2012-03-20 Online:2012-09-01 Published:2012-09-01
Contact: Feng Jin-Xia E-mail:fengjx@sxu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 60878003), the Science Foundation for Excellent Research Team of the National Natural Science Foundation of China (Grant No. 61121064), and the National Basic Research Program of China (Grant No. 2010CB923101).

摘要/Abstract

摘要： We report on the generation of a squeezing vacuum at 1.55 μm using an optical parametric amplifier based on periodically poled LiNbO₃. Using three specifically designed narrow linewidth mode cleaners as the spatial mode and noise filter of the laser at 1.55 μm and 775 nm, the squeezed vacuum of up to 3.0 dB below the shot noise level at 1.55 μm is experimentally obtained. This system is compatible with standard telecommunication optical fibers, and will be useful for continuous variable long-distance quantum communication and distributed quantum computing.

关键词: squeezed states, telecommunication wavelength of 1.55 μm, optical parametric amplifier

Abstract: We report on the generation of a squeezing vacuum at 1.55 μm using an optical parametric amplifier based on periodically poled LiNbO₃. Using three specifically designed narrow linewidth mode cleaners as the spatial mode and noise filter of the laser at 1.55 μm and 775 nm, the squeezed vacuum of up to 3.0 dB below the shot noise level at 1.55 μm is experimentally obtained. This system is compatible with standard telecommunication optical fibers, and will be useful for continuous variable long-distance quantum communication and distributed quantum computing.

Key words: squeezed states, telecommunication wavelength of 1.55 μm, optical parametric amplifier

中图分类号: (Quantum state engineering and measurements)

42.50.Dv

42.50.Lc (Quantum fluctuations, quantum noise, and quantum jumps) 42.65.Yj (Optical parametric oscillators and amplifiers)

刘勤, 冯晋霞, 李宏, 焦月春, 张宽收. Generation of a squeezed state at 1.55 μ with periodically poled LiNbO₃[J]. 中国物理B, 2012, 21(10): 104204-104204.

Liu Qin (刘勤), Feng Jin-Xia (冯晋霞), Li Hong (李宏), Jiao Yue-Chun (焦月春), Zhang Kuan-Shou (张宽收). Generation of a squeezed state at 1.55 μ with periodically poled LiNbO₃[J]. Chin. Phys. B, 2012, 21(10): 104204-104204.

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Generation of a squeezed state at 1.55 μ with periodically poled LiNbO₃

Generation of a squeezed state at 1.55 μ with periodically poled LiNbO₃

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