Quantum frequency up-conversion with a cavity |
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| Authors: | Bai Yun-Fei Zhai Shu-Qin Gao Jiang-Rui Zhang Jun-Xiang |
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| Affiliation: | State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China |
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| Abstract: | The quantum state transfer from subharmonic frequency to harmonic frequency based on asymmetrically pumped second harmonic generation in a cavity is investigated theoretically. The performance of noise-free frequency up-conversion is evaluated by the signal transfer coefficient and the conversion efficiency, in which both the quadrature fluctuation and the average photon number are taken into consideration. It is shown that the quantum property can be preserved during frequency up-conversion via operating the cavity far below the threshold. The dependences of the transfer coefficient and the conversion efficiency on pump parameter, analysing frequency, and cavity extra loss are also discussed. |
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| Keywords: | frequency up-conversion signal transfer coefficient conversion efficiency |
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