Generation of a continuous-wave squeezed vacuum state at 1.3 μm by employing a home-made all-solid-state laser as pump source

doi:10.1088/1674-1056/22/9/094206

Abstract We present a continuous-wave squeezed vacuum generation system at a telecommunication wavelength of 1.3 μm. By employing a home-made single-frequency Nd:YVO₄ laser with dual wavelength outputs as the pump source, via an optical parameter oscillator based on periodically poled KTP, a squeezed vacuum of 6.1 dB±0.1 dB below the shot noise limit at 1342 nm is experimentally measured. This system could be utilized for demonstrating practical quantum information networks.

Keywords: squeezed vacuum telecommunication wavelength of 1.3 μm optical parametric oscillator

Received: 14 January 2013
Revised: 18 March 2013
Accepted manuscript online:

PACS:	42.50.Dv	(Quantum state engineering and measurements)
	42.50.Lc	(Quantum fluctuations, quantum noise, and quantum jumps)
	42.65.Yj	(Optical parametric oscillators and amplifiers)

Fund: Project supported by the National Basic Research Program of China (Grant No. 2010CB923101), the National Natural Science Foundation of China (Grant Nos. 61008001 and 61227015), and the Natural Science Foundation of Shanxi Province, China (Grant No. 2011021003-2).

Corresponding Authors: Zheng Yao-Hui
E-mail: yhzheng@sxu.edu.cn

Cite this article:

Zheng Yao-Hui (郑耀辉), Wu Zhi-Qiang (邬志强), Huo Mei-Ru (霍美茹), Zhou Hai-Jun (周海军) Generation of a continuous-wave squeezed vacuum state at 1.3 μm by employing a home-made all-solid-state laser as pump source 2013 Chin. Phys. B 22 094206

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Generation of a continuous-wave squeezed vacuum state at 1.3 μm by employing a home-made all-solid-state laser as pump source

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