Frontiers of Optoelectronics

, Volume 11, Issue 4, pp 413–418 | Cite as

A direct method to calculate second-order two-dimensional terahertz spectroscopy in frequency-domain based on classical theory

  • Feidi Xiang
  • Kejia WangEmail author
  • Zhengang Yang
  • Jinsong Liu
  • Shenglie Wang
Research Article


Previous theoretical researches on the two-dimensional terahertz spectroscopy (2DTS), which are conducted via inefficiently time-consuming numerical simulation, deal with only single-mode system. To overcome the limitations, we derive a classical-theory-based analytical solution which is applicable to multi-modes system. Three typical weak sources of nonlinearities are introduced. The findings suggest that the analytical results correspond well with those obtained by the traditional numerical simulation. Thus the study provides a more efficient and practical method to directly calculate 2DTS, and, in a broader sense, sheds new light on the theory of 2DTS.


two-dimensional spectroscopy terahertz classical method 


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We acknowledge the support from the National Natural Science Foundation of China (Grant Nos. 11574105, 61475054, 61405063 and 61177095), and the Fundamental Research Funds for the Central Universities (No. 2017KFYXJJ029).


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Copyright information

© Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Feidi Xiang
    • 1
  • Kejia Wang
    • 1
    Email author
  • Zhengang Yang
    • 1
  • Jinsong Liu
    • 1
  • Shenglie Wang
    • 1
  1. 1.Wuhan National Laboratory for Optoelectronics, School of Optical and Electronic informationHuazhong University of Science and TechnologyWuhanChina

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