Inverse dispersion engineering in silicon waveguides
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Inverse dispersion engineering in silicon waveguides

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Inverse dispersion engineering in silicon waveguides

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Castelló Lurbe, David; Torres Company, Víctor; Silvestre Mora, Enrique
Aquest document és un/a article, creat/da en: 2014
We present a numerical tool that searches an optimal cross section geometry of silicon-on-insulator waveguides given a target dispersion profile. The approach is a gradient-based multidimensional method whose efficiency resides on the simultaneous calculation of the propagation constant derivatives with respect to all geometrical parameters of the structure by using the waveguide mode distribution. The algorithm is compatible with regular mode solvers. As an illustrative example, using a silicon slot hybrid waveguide with 4 independent degrees of freedom, our approach finds ultra-flattened (either normal or anomalous) dispersion over 350 nm bandwidth in less than 10 iterations.

    Castelló Lurbe, David Torres Company, Víctor Silvestre Mora, Enrique 2014 Inverse dispersion engineering in silicon waveguides Journal of the Optical Society of America B-Optical Physics 31 8 1829 1835
http://dx.doi.org/10.1364/JOSAB.31.001829
distribuït sota llicència Creative Commons de Reconeixement-NoComercial 3.0 No adaptada

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