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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 625-628 |
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Babaei M, Zarifkar A. Design and Simulation of a Broadband 3dB Curved Directional Coupler based on Plasmonic Waveguides . ICOP & ICPET _ INPC _ ICOFS 2019; 25 :625-628
URL: http://opsi.ir/article-1-1749-en.html
URL: http://opsi.ir/article-1-1749-en.html
1- Department of Physics, College of Science, Shiraz University, Shiraz, Iran
Abstract: (2203 Views)
In this paper, a broadband curved directional coupler based on plasmonic waveguides is presented. The proposed coupler consists of a combination of curved and straight coupled plasmonic waveguides which results in a wavelength-independent directional coupler with an improved bandwidth. The designed coupler with dimension of 20 μm ×3 μm shows a splitting ratio of 3 dB± 1 dB and a bandwidth about 500nm at the central wavelength of 1600 nm which denotes considerable improvement of the bandwidth compared to previously reported coupler structures.
Keywords: Broadband Coupler, Directional Coupler, Curved Structure, 3dB Power Splitter, Hybrid Plasmonic Waveguide
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