31 August 2017 Subwavelength 2D segmented waveguide and light coupling optimization by evolutionary algorithms
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We propose a design for light coupling optimization between an optical fiber and a sub-micrometer waveguide using a subwavelength segmented waveguide taper with subwavelength periodicity. The power coupling and light coupling of the output waveguide are calculated, optimized and compared with other designs and values found in the literature. The optimized tapers has been successfully and efficient designed using evolutionary algorithms based on artificial immune system (AIS), the genetic algorithm (GA) and ant colony optimization (ACO). Power coupling above 75 % have been obtained with the evolutionary algorithms.
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A. Dourado-Sisnando, A. Dourado-Sisnando, L. F. Vieira, L. F. Vieira, C. E. Rubio-Mercedes, C. E. Rubio-Mercedes, V. F. Rodríguez-Esquerre, V. F. Rodríguez-Esquerre, } "Subwavelength 2D segmented waveguide and light coupling optimization by evolutionary algorithms", Proc. SPIE 10354, Nanoengineering: Fabrication, Properties, Optics, and Devices XIV, 103540Y (31 August 2017); doi: 10.1117/12.2273387; https://doi.org/10.1117/12.2273387

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