Investigation on terahertz generation from zinc-blende crystal waveguide at polariton resonance

  • Zhongyang LiEmail author
  • Mengtao Wang
  • Silei Wang
  • Pibin Bing
  • Sheng Yuan
Research Article


Terahertz (THz) wave generation from zinc-blende crystal waveguide, such as GaAs, InP, ZnTe and CdTe, at polariton resonance region (PRR) with a transverse pumping geometry is investigated. It is shown that by using grating vector of periodically inverted crystal, THz wave can be efficiently generated by difference frequency generation (DFG) with a transverse pumping geometry. Parametric gain coefficients in the low-loss limit and absorption coefficients of THz wave during DFG process in the vicinity of PRR are analyzed. The frequency tuning characteristics of THz wave via varying wavelength of difference frequency waves and poling period of periodically inverted crystal are numerically analyzed.


Terahertz wave Difference frequency generation Zinc-blende crystal Transverse pumping geometry 



This work was supported by the National Natural Science Foundation of China (61201101, 61601183 and 61205003); the Natural Science Foundation of Henan Province (162300410190); the Program for Innovative Talents (in Science and Technology) in University of Henan Province (18HASTIT023); the Young Backbone Teachers in University of Henan Province (2014GGJS-065) and the Program for Innovative Research Team (in Science and Technology) in University of Henan Province (16IRTSTHN017).


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Copyright information

© The Optical Society of India 2018

Authors and Affiliations

  1. 1.College of Electric PowerNorth China University of Water Resources and Electric PowerZhengzhouChina

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