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Noise-free frequency conversion of quantum states |
Bai Yun-Fei(白云飞), Zhai Shu-Qin(翟淑琴), Gao Jiang-Rui(郜江瑞), and Zhang Jun-Xiang(张俊香)† |
State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China |
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Abstract In this paper, the frequency conversion of quantum states based on the intracavity nonlinear interaction is proposed. The fidelity of an input state after frequency conversion is calculated, and it is shown the noise-free frequency conversion of a quantum state can be achieved by injecting a strong signal field. The dependences of conversion efficiency on the pump parameter, extra losses and input state amplitude are also analysed.
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Accepted manuscript online:
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PACS:
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42.65.Lm
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(Parametric down conversion and production of entangled photons)
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42.50.Lc
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(Quantum fluctuations, quantum noise, and quantum jumps)
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03.67.Mn
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(Entanglement measures, witnesses, and other characterizations)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10974126), and the National Basic Research Program of China (Grant No. 2010CB923102). |
Cite this article:
Bai Yun-Fei(白云飞), Zhai Shu-Qin(翟淑琴), Gao Jiang-Rui(郜江瑞), and Zhang Jun-Xiang(张俊香) Noise-free frequency conversion of quantum states 2011 Chin. Phys. B 20 034207
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