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Robust silicon-on-insulator adiabatic splitter optimized by metamodeling

Abstract : A robust integrated power splitter based on a silicon-on-insulator adiabatic coupler configuration is demonstrated. The power separation is achieved by a slow and simultaneous change of phase and coupling constants. The geometrical parameters of the device are determined thanks to a metamodel-based iterative optimization strategy. Solving the multiple parameter problem together with a realistic bandwidth constraint provides a clear improvement of the power splitting stability. The robustness is confirmed experimentally on a single device and at the wafer scale.
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Submitted on : Wednesday, July 31, 2019 - 4:34:49 PM
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Karim Hassan, Cédric Durantin, Vincent Hugues, Bertrand Szelag, Alain Glière. Robust silicon-on-insulator adiabatic splitter optimized by metamodeling. Applied Optics, Optical Society of America, 2017, 56 (8), pp.2047-2052. ⟨10.1364/AO.56.002047⟩. ⟨cea-02202435⟩



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