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Optimization of fiber grating couplers on SOI using advanced search algorithms

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Abstract

A one-dimensional fiber grating coupler is derived from a waveguide with random etches using implementations of particle swarm and genetic algorithms. The resulting gratings yield a theoretical coupling efficiency of up to 1.1 dB and prompt clear design rules for the layout of highly efficient fiber grating couplers.

© 2014 Optical Society of America

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