3 April 2003 Design of channel directional couplers fabricated on a buffer planar waveguide
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Abstract
In this work we present the study of step-index channel directional couplers which can be fabricated on a buffer planar guide in a such a way that they can be properly designed to support separable modal fields, though the index profile is non separable. The main advantage of this approach is the great simplicity in the analysis, design and fabrication of the directional couplers, or other different integrated strucutures, since it is possible to apply, for instance, the effective index method obtaining a quasi-exact solution for the modal fields. Analytical and numerical results will be presented to confirm that an accurate design of the operation properties of the directional coupler can be achieved.
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Jose Ramon Salgueiro, Maria Concepcion Nistal, Vicente Moreno, Jesus Linares, "Design of channel directional couplers fabricated on a buffer planar waveguide", Proc. SPIE 4944, Integrated Optical Devices: Fabrication and Testing, (3 April 2003); doi: 10.1117/12.468299; https://doi.org/10.1117/12.468299
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