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Highly efficient four-wave mixing induced by quantum constructive interference in rubidium vapour |
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| Authors: | Wang Gang a Xue Yan a Cui Cui-Li a Qu Yi b and Gao Jin-Yue |
| Affiliation: | a) a) College of Physics,Jilin University,Changchun 130023,China b) Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China |
| Abstract: | We demonstrate efficient four-wave mixing with an intensity conversion efficiency of nearly 100% in theory without considering the Doppler-broadening effect in a four-level double-Λ system of hot 87 Rb gas.The corresponding experimental value of about 73% was reported in our earlier work under the same conditions.This dramatic efficiency is critically dependent on the constructive interference between two four-wave mixing processes relevant to the internally generated four-wave mixing signal. |
| Keywords: | four-wave mixing quantum constructive interference |
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