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Simulation effects of lateral coupling between L3 cavity and two quasi waveguides bends in 2D Photonic Crystal Bandpass Filter

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2 Author(s)
Boudissa, A. ; Electron. Dept., Univ. of Constantine, Constantine, Algeria ; Benslama, M.

Based on effects of lateral coupling between the resonant L3 cavity and tow quasi waveguides bends in tow dimensional photonic crystal (2D PhC) who depends strongly on the parameters of geometry of the PC lattice, especially on the dielectric rods sizes. We proposed Photonic Crystal BandPass Filter (PCBPF), the out put transmission spectra of our filter covered three band. Band I covers the wavelength range from 1.331 to 1.355 μm has 86% of transmission power, Band II, from 1.390 to 1.427 μm, has 98% of the transmission power and Band III from 1.46 to 1.507 μm, has 27% of the transmission power. The full width at half maximum bandwidth of these bands is 9.7, 13.1 and 16.4 nm, respectively. This Filter (PCBPF) is proposed for photonic integrated circuits (PIC), wavelength division multiplexing (WDM) systems and sensing applications. The normalized transmissions spectra of this filter are obtained them using 2D Finite Difference Time Domain Method (2D-FDTD). The Photonic Band Gap is calculated by Plane Wave Expansion method (PWE).

Published in:

Multimedia Computing and Systems (ICMCS), 2012 International Conference on

Date of Conference:

10-12 May 2012

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