Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 18, Issue 5-8, Pages 850-852Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2006.871686
Keywords
finite-element method; optical circuit; sequential linear programming (SLP); topology optimization
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We apply a design method based on topology optimization technique to optical waveguide devices. In our approach, after a refractive index profile in a design region is automatically generated using a topology optimization method, the obtained structure is redefined using primitive geometries with some design parameters and those parameters are optimized by a sequential linear programming. As numerical examples, we demonstrate how the method can be used for 90 degrees bends and T-branching waveguides with arbitrary splitting ratio.
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