Transient coherent degenerate four-wave mixing |
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Authors: | Chen JT Yu ZX |
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Affiliation: | Dept. of Phys., Zhongshan Univ., Guangzhou; |
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Abstract: | A set of coupled equations is derived and used to analyze transient coherent degenerate four-wave mixing (DFWM) in a two-level system. The numerical results show that in the case of near-resonance, intense pumping, and short pulses, the properties of degenerate four-wave mixing have interesting coherent interaction characteristics, such as quasi-periodicity in the pump pulse area, probe pulse areas, and energy reflectivity, oscillatory behavior of the DFWM pulse, and generation of a DFWM signal in the case of delayed incidence, where the three incident pulses do not overlap in the medium |
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