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Influence of the amplitude ratio between two terahertz pulses on two-dimensional spectroscopy
  • ISSN号:1001-6538
  • 期刊名称:Chinese Science Bulletin
  • 时间:2014.1
  • 页码:138-146
  • 分类:O156.7[理学—数学;理学—基础数学] X131.3[环境科学与工程—环境科学]
  • 作者机构:[1]Wuhan National Laboratory for Optoelectronics, School ofOptical and Electronic Information, Huazhong University ofScience and Technology, Wuhan 430074, China
  • 相关基金:The work was supported from the National Natural Science Foundation of China (10974063, 60907045 and 61177095), Hubei Natural Science Foundations (2010CDA001 and 2012FFA074), Ph.D. Programs Foundation of Ministry of Education of China (20100142110042), and the Fundamental Research Funds for the Central Universities, HUST (2011TS001, 2012QN094 and 2012QN097).
  • 相关项目:太赫兹波增强声波的机理及其在远程太赫兹波探测中的应用
中文摘要:

在二尺寸的 THz 光谱学(2DTS ) 上的二 THz 脉搏之间的振幅比率的影响经由为秒顺序非线性的表情用不安途径在被导出的一个古典方法理论上被学习了,并且 THz 搏动没被当作三角洲功能。非线性的来源的三种类型即, anharmonicity,非线性的抑制,并且非线性的联合,在一个单个模式系统被考虑。模拟结果证明振幅比率穿上著名影响 2DTSs,和不同来源有不同影响。这研究为指导未来实验是有希望的。

英文摘要:

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.

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