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Photonic crystal-based demultiplexers using defective resonant cavity

S. MARZIYE MOUSAVIZADEH1, M. SOROOSH1, F. MEHDIZADEH1,*

Affiliation

  1. Faculty of Engineering, Shahid Chamran University of Ahvaz, Ahvaz, Iran

Abstract

In this paper we used defective resonant cavity for designing a 4-channel photonic crystal demultiplexer. We show that by introducing appropriate waveguides and defects the desired wavelengths can be separated. The platform used for designing the proposed demultiplexer is a square lattice of dielectricrodsimmersedin air. The minimum and maximum transmission efficiency for the proposed structure is 70% and 96% and the channel spacing is less than 1.4 nm. In addition, the maximum value of crosstalk for channels is -10dB. Comparison of the obtained results with other worksdemonstrates that the proposed device has ability to be used in WDM communication applications..

Keywords

Photonic band gap, Demultiplexer, Crosstalk, Defect.

Citation

S. MARZIYE MOUSAVIZADEH, M. SOROOSH, F. MEHDIZADEH, Photonic crystal-based demultiplexers using defective resonant cavity, Optoelectronics and Advanced Materials - Rapid Communications, 9, 1-2, January-February 2015, pp.28-31 (2015).

Submitted at: Dec. 7, 2014

Accepted at: Jan. 21, 2015