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year 27, Issue 2 (ICOP & ICPET 2021 2021)
ICOP & ICPET _ INPC _ ICOFS 2021, 27(2): 759-763 |
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Hemmatian M A, Jahangiri F. Controlling the efficiency of terahertz radiation generation via difference frequency generation in nonlinear waveguides. ICOP & ICPET _ INPC _ ICOFS 2021; 27 (2) :759-763
URL: http://opsi.ir/article-1-2473-en.html
URL: http://opsi.ir/article-1-2473-en.html
1- Laser and Plasma Reasearch Institute, Shahid Beheshti University, Tehran, Iran
Abstract: (778 Views)
By investigating nonlinear optical parameters of some conventional second order nonlinear materials, the nonlinear process of difference frequency generation at terahertz frequency range is simulated in waveguides made of these materials with the same geometry. In order to compare the results obtained in these waveguides, we have employed a figure of merit, based on the ability of the structure to convert input frequencies to terahertz frequency. The comparative results are presented for ZnO, GaAs, InP, and InP.
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