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Analysis of optical reflector based on circular coupled microring resonators

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2 Author(s)
Zhensen Gao ; Joint Research Institute for Integrated Systems, School of Engineering and Physical Sciences, Heriot-Watt University, Riccarton, Edinburgh, EH14 4AS, UK ; Xu Wang

In this paper, we analyzed the reflective properties of optical reflector based on circular coupled microring resonators using the transfer matrix method. The reflective spectrum changes greatly for different inter-resonator coupling due to constructive and destructive interference for different wavelength. Coupled resonator induced transparency occurred when all the resonators are weakly coupled with each other. When the ring-ring is symmetric coupling, single narrow reflection peak can be obtained while single/multiple-peaks box-like profiles would be produced for asymmetric coupling. Optimization of the ring-bus and ring-ring coupling coefficients to achieve different reflective spectrum has been done to provide a design guideline for this novel structure.

Published in:

2009 11th International Conference on Transparent Optical Networks

Date of Conference:

June 28 2009-July 2 2009