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Effect of scattering rods in the frequency response of photonic crystal demultiplexers

H. ALIPOUR-BANAEI1,* , S. SERAJMOHAMMADI2, F. MEHDIZADEH3

Affiliation

  1. Department of Electronics, Tabriz Branch, Islamic Azad University, Tabriz, Iran
  2. Younge Researchers and Elite Club, Ahar Branch, Islamic Azad University, Ahar, Iran
  3. Younge Researchers and Elite Club, Urmia Branch, Islamic Azad University, Urmia, Iran

Abstract

Design and simulation of a novel structure for WDM communication demultiplexerhas been done. In this work, by using X-shaped ring resonators in a 2-D photonic crystal structure, the desired wavelengths for communication systems could be selected and simulations show that its important characteristics such as crosstalk, channel spacing and quality factor are appropriate for optical communication applications. Scattering rods that used in the rings play very important role in the central wavelength of the output channels in proposed demultiplexer. Minimum crosstalk value is -16 dB and maximum of it is -11 dB. In addition, the efficiency of the designed demultiplexer is enough for communication systems..

Keywords

Scattering rods, Crosstalk, Photonic crystal, Demultiplexer, Ring resonator.

Submitted at: Nov. 24, 2014
Accepted at: March 19, 2015

Citation

H. ALIPOUR-BANAEI, S. SERAJMOHAMMADI, F. MEHDIZADEH, Effect of scattering rods in the frequency response of photonic crystal demultiplexers, Journal of Optoelectronics and Advanced Materials Vol. 17, Iss. 3-4, pp. 259-263 (2015)