Integrated photonic devices based on adiabatic transitions between supersymmetric structures

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Abstract

© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement. We introduce adiabatic transitions connecting two supersymmetric partner profiles by smoothly modifying the transverse refractive index profile along the propagation direction. With this transformation, one of the transverse electric modes evolves adapting its shape and propagation constant without being coupled to other guided or radiated modes while the rest of the modes are radiated. This technique offers a systematic way to manipulate the modal content in systems of optical waveguides and engineer efficient and robust photonic devices such as tapered waveguides, single-waveguide mode filters, beam splitters and interferometers. Numerical simulations show that very high fidelities and transmitted powers are obtained for a broad range of devices lengths and light’s wavelengths.
Original languageEnglish
Pages (from-to)33797-33806
JournalOptics Express
Volume26
DOIs
Publication statusPublished - 24 Dec 2018

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