| 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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| 作者姓名： | 郑耀辉 邬志强 霍美茹 周海军 |
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| 基金项目： | 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）. |
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| 摘 要： | 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.
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| 关 键 词： | squeezed vacuum telecommunication wavelength of . μm optical parametric oscillator |
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