Abstract

Modelling of a triple asymmetrical optical multiple ring resonator (TAOMRR) with a 1×3 input-output waveguide has been carried out in the present paper, and its performance as an optical filter is analyzed. The mathematical modelling of the proposed configuration is carried out in the z domain using a delay line signal processing technique. Free spectral range (FSR), group delay, and dispersion characteristics of the proposed TAOMRR are evaluated from the frequency response plot obtained in MATLAB from all the possible input-output port configurations. The field analysis of the proposed configuration is realized using the finite difference time domain (FDTD) method. The optimal coupling coefficient obtained from the MATLAB simulation is used to design the various optical couplers in FDTD analysis. The proposed configuration offers three outputs with different FSRs for a single input port, which greatly enhances the data handling capabilities in communication networks.

© 2018 Optical Society of America

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