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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 33-36 |
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Etemadi far N, Tavousi A, Rakhshani M R. Design and Simulation of All Optical Encoder Based on Photonic Crystal Couplers. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :33-36
URL: http://opsi.ir/article-1-1723-en.html
URL: http://opsi.ir/article-1-1723-en.html
1- Faculty of Engineering, Hatef Higher Education Institute, Zahedan
2- Faculty of Engineering, Velayat University, Iranshahr
3- Faculty of Engineering, University of Zabol, Zabol
2- Faculty of Engineering, Velayat University, Iranshahr
3- Faculty of Engineering, University of Zabol, Zabol
Abstract: (2085 Views)
In this paper, a photonic crystal based encoder consisting of two hexagonal shaped couplers in 2D square lattice of dielectric rods in air is proposed. Waveguides have been created by removing dielectric rods in the structure, and rods with smaller radii have been used to achieve the proper couplers operations. The proposed structure can generate a two-bit binary code in the output, according to the order of active inputs, without the use of nonlinear effects. To realize this structure, an OR gate is designed, then the two OR gates are combined to consolidate the desired encoder. Best delay time and the dimensions of the proposed structure are about 166 fs and 390 μm2, respectively, and the switching rate is 6THz.
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