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Volume 25 - ICOP & ICPET 2019                   ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 1073-1076 | Back to browse issues page

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Janjan B, Ahmadi V, Fathi D, Heidari M. Modal Phase-Matched Second Harmonic Generation in Asymmetric Silicon Slot Waveguide Coated with a Nonlinear Polymer . ICOP & ICPET _ INPC _ ICOFS 2019; 25 :1073-1076
URL: http://opsi.ir/article-1-1696-en.html
1- Department of Electrical and Computer Engineering, Tarbiat Modares University, Tehran
Abstract:   (1686 Views)
In this paper, an asymmetric silicon slot waveguide coated with a nonlinear polymer is proposed to obtain efficient second harmonic generation (SHG) from mid-infrared (λ = 3.1 μm) to near-infrared (λ = 1.55 μm) wavelengths. The required phase matching is fulfilled between fundamental mode at fundamental frequency and third-order mode at SHG by carefully designing the waveguide dimensions. A conversion efficiency of 24.7% is predicted for a low pump power of 10 mW which is comparable to the previously reported results. Our concept can be extended to other second-order nonlinear processes like sum and difference frequency generation.
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Type of Study: Research | Subject: Special

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