| 3 | Influence of the amplitude ratio between two terahertz pulses on two-dimensional spectroscopy显示文摘The influence of the amplitude ratio between the two THz pulses on two-dimension THz spectroscopy(2DTS)has been studied theoretically via a classical method in which the expressions for the second-order nonlinearity were derived using perturbation approach,and the THz pulses were not treated as a delta function.Three types of nonlinear sources i.e.,anharmonicity,nonlinear damping,and nonlinear coupling,are considered in a single mode system.The simulation results demonstrated that the amplitude ratio had a notable influence on the 2DTSs,and different sources have different influences.This study is promising for guiding future experiments. | Jiangsheng Hu Jinsong Liu Huquan Li Kejia Wang Zhengang Yang Shenglie Wang | 2014 | Chinese Science Bulletin2014，59，2： | 1 |
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