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Soltanian E, Abedi K. Transmission coefficient enhancement of narrow band 2D photonic crystal based filter. ICOP & ICPET _ INPC _ ICOFS 2018; 24 :25-28
URL: http://opsi.ir/article-1-1600-en.html
URL: http://opsi.ir/article-1-1600-en.html
1- Faculty of Electrical and Computer Engineering, Shahid Beheshti University
Abstract: (2927 Views)
In this paper, the use of copper rods in silicon 2D based photonic crystal filter for 1.5 um communication to enhance transmission coefficient was investigated. To simulate the optical behavior of the filter, 2D-FDTD is used. Simulations have shown that the replacement of copper rods instead of silicon rods between the input waveguide and resonator and also between the output waveguide and resonator, leads to better coupling between them. Thus, by means of this technique, transmission coefficient and quality factor of the filter at the resonance frequency of 199.93 Terahertz can reach 0.996 and 190, respectively. Because of CMOS compatibility, small size and high transmission efficiency, this narrow band filter is suitable for future long distance communication.
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