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Efficient Design Optimization of Ring Resonator-Based Optical Filters

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4 Author(s)
Osman S. Ahmed ; Computational Electromagnetics Research Laboratory, Department of Electrical and Computer Engineering, McMaster University, Hamilton, Canada ; Mohamed A. Swillam ; Mohamed H. Bakr ; Xun Li

We present a simple and fast technique for the design of ring resonator-based optical filters. The technique is based on tapering the ring scattering parameters to achieve the optimal filter response. A perturbation method is developed for the linearization of the resulting design problem. The design problem is then formulated as an optimization problem. The optimal filter design is achieved by solving a constrained linear least square problem. This optimization problem can be solved efficiently to get the global optimal design. Our technique has been verified using different proposed targeted filter responses.

Published in:

Journal of Lightwave Technology  (Volume:29 ,  Issue: 18 )