Rayleigh-type nondegenerate four-wave mixing: ultrafast measurement and field correlation |
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| Authors: | Fu Panming Jiang Qiang Mi Xin Yu Zuhe |
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| Institution: | Laboratory of Optical Physics, Institute of Physics & Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, China. |
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| Abstract: | We report on an ultrafast longitudinal time measurement by a nonresonant Rayleigh-type nondegenerate four-wave mixing (NFWM). We investigated the field-correlation effects on Rayleigh-type NFWM by examining the time-delayed dependence of the NFWM spectra. Based on the field-correlation effects, a time-delayed method is proposed to suppress the thermal effect, and ultrafast relaxation time can be measured even in an absorbing medium. |
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