Title :
Photonic Crystal Ring Resonator based Bandpass Filter
Author :
Robinson, Stewart ; Nakkeeran, R.
Author_Institution :
Dept. of Electron. & Commun. Eng., Pondicherry Eng. Coll., Pondicherry, India
Abstract :
In this paper, two dimensional Photonic Crystal square lattice circular ring resonator based Bandpass Filter (BPF) is designed by coupling in-line quasi waveguides and resonant cavity. The output efficiency of the circular ring resonator is investigated by varying size of the cavity. The normalized transmission spectra of circular Photonic Crystal Ring Resonator (PCRR) have been studied by using the Finite Difference Time Domain (FDTD) method. The Photonic Bandgap (PBG) has been calculated by Plane Wave Expansion (PWE) method. The simulation shows 100% transfer efficiency and 25 nm of bandwidth over the range of 1575 nm to 1600 nm. The impact of number of rings in the ring is also studied for determining the output efficiency and bandwidth.
Keywords :
band-pass filters; finite difference time-domain analysis; optical waveguide filters; photonic band gap; photonic crystals; resonator filters; bandpass filter; finite difference time domain analysis; photonic bandgap; photonic crystal square lattice circular ring resonator; plane wave expansion; resonant cavity; transfer efficiency; wavelength 1575 nm to 1600 nm; Band pass filters; Cavity resonators; Finite difference methods; Optical filters; Optical ring resonators; Photonic crystals; Resonator filters; FDTD method; PWE method; Photonic crystal ring resonator; bandpass filter; photonic bandgap;
Conference_Titel :
Communication Control and Computing Technologies (ICCCCT), 2010 IEEE International Conference on
Conference_Location :
Ramanathapuram
Print_ISBN :
978-1-4244-7769-2
DOI :
10.1109/ICCCCT.2010.5670531
