Paper Information

Journal:   JOURNAL OF ARTIFICIAL INTELLIGENCE IN ELECTRICAL ENGINEERING   NOVEMBER 2013 , Volume 2 , Number 7; Page(s) 49 To 53.
 
Paper: 

OPTICAL FILTER BASED ON POINT DEFECTS IN 2D PHOTONIC CRYSTAL STRUCTURE

 
 
Author(s):  MALEKI AREZU*, GHAEMI SEHRANEH
 
* DEPARTAMENT OF ELECTRICAL ENGINEERING, AHAR BRANCH, ISLAMIC AZAD UNIVERSITY, AHAR, IRAN
 
Abstract: 

In this paper, we proposed a novel structure for designing all optical filter based on photonic crystal structure. In designing the proposed filter, we simply employed a point defect localized between input and output waveguides as wavelength selecting part of the filter. The initial form of this filter is capable of selecting optical waves at l=1560 nm, the transmission efficiency of the filter is 100%. In designing and studying the optical properties of the filter, we used plane wave expansion and finite difference time domain methods. After designing the filter, we studied the impact of different parameters on the filtering behavior of the structure. The total footprint of the filter is less than 100 100 mm2. Simplicity of design and ultra-compact dimensions are the most significant characteristics of our filter.

 
Keyword(s): PHOTONIC CRYSTAL, OPTICAL FILTER, DEFECT, FDTD
 
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