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Design and Analysis of low coupling, high transmission optical wavelength Demultiplexer based on two dimensional photonic crystal

Journal: International Journal of Advanced Engineering Research and Science (Vol.5, No. 4)

Publication Date:

Authors : ;

Page : 85-88

Keywords : DFT; Fast Fourier Transform; photonic crystal; wavelength division demultiplexing; FDTD.;

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In this work, design and simulation of two dimensional photonic crystal with hexagonal lattice based wavelength division multiplexer is investigated. It is consists of high dielectric rods of GaAs with refractive index 3.375, surrounded by air. This device is ultra compact. The demultiplexing of wavelengths 1330nm and 1470nm is done, based on different output line defects with different radius by pitch ratio. The Discrete Fourier Transforms and power spectrum is obtained using OptiFDTD method and results are compared for various wavelengths.

Last modified: 2018-04-24 02:11:07