Coupling coefficient increment and free spectral range decrement by proper design of microring resonator parameters

Esmat Rafiee; Farzin Emami; Najmeh Nozhat

doi:10.1117/1.OE.53.12.123108

9 December 2014 Coupling coefficient increment and free spectral range decrement by proper design of microring resonator parameters

Esmat Rafiee, Farzin Emami, Najmeh Nozhat

Author Affiliations +

Optical Engineering, Vol. 53, Issue 12, 123108 (December 2014). https://doi.org/10.1117/1.OE.53.12.123108

Abstract

Effects of different structural parameters on the optical characteristics of multistage microring resonators (MRRs) have been investigated while a soliton pulse is propagated. Effects of MRR radius, width, and gap between the MRR and the waveguide on the free spectral range (FSR) and the coupling coefficient have been studied. It has been shown that in the structure consisting of multistage MRRs, increasing the MRR radius and width would decrease the FSR. It is also indicated that by increasing the gap the width coupling coefficient would be enhanced at first, and then it would be diminished. The goal of this research is to improve the functionality of multistage MRRs by decreasing the FSR and increasing the coupling coefficient for soliton-based communication systems.

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Esmat Rafiee, Farzin Emami, and Najmeh Nozhat "Coupling coefficient increment and free spectral range decrement by proper design of microring resonator parameters," Optical Engineering 53(12), 123108 (9 December 2014). https://doi.org/10.1117/1.OE.53.12.123108

Published: 9 December 2014

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