Efficient frequency conversion induced by quantum constructive interference |
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| Authors: | Wang Gang Xue Yan Wu Jin-Hui Kang Zhi-Hui Jiang Yun Liu Si-Sheng Gao Jin-Yue |
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| Institution: | College of Physics, Jilin University, Changchun 130012, China. |
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| Abstract: | We demonstrate in experiment an efficient cw four-wave mixing scheme with maximal intensity conversion efficiency up to 73% in a double-Λ system of hot rubidium atoms. Relevant theoretical analysis shows that this high conversion efficiency benefits greatly from the constructive interference between two four-wave mixing channels, characterized by two different space-dependent phases. |
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