Fu Panming, Jiang Qiang, Mi Xin, Yu Zuhe
Laboratory of Optical Physics, Institute of Physics & Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, China.
Phys Rev Lett. 2002 Mar 18;88(11):113902. doi: 10.1103/PhysRevLett.88.113902. Epub 2002 Mar 5.
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.
我们报道了一种通过非共振瑞利型非简并四波混频（NFWM）进行的超快纵向时间测量。我们通过研究NFWM光谱的时延依赖性，研究了场相关效应在瑞利型NFWM上的影响。基于场相关效应，提出了一种时延方法来抑制热效应，并且即使在吸收介质中也能测量超快弛豫时间。
