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Proceedings Paper

Inverse scattering designs of dispersion-engineered single-mode planar waveguides
Author(s): Alexander R. May; Francesco Poletti; Michalis N. Zervas
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Paper Abstract

We use an inverse-scattering (IS) approach to design single-mode waveguides with controlled linear and higher-order dispersion. The technique is based on a numerical solution to the Gelfand-Levitan-Marchenko integral equation, for the inversion of rational reflection coefficients with arbitrarily large number of leaky poles. We show that common features of dispersion-engineered waveguides such as trenches, rings and oscillations in the refractive index profile come naturally from the IS algorithm without any a priori assumptions. Increasing the leaky-pole number increases the dispersion map granularity and allows design of waveguides with identical low order and differing higher order dispersion coefficients.

Paper Details

Date Published: 8 March 2014
PDF: 12 pages
Proc. SPIE 8988, Integrated Optics: Devices, Materials, and Technologies XVIII, 89881S (8 March 2014); doi: 10.1117/12.2039220
Show Author Affiliations
Alexander R. May, Univ. of Southampton (United Kingdom)
Francesco Poletti, Univ. of Southampton (United Kingdom)
Michalis N. Zervas, Univ. of Southampton (United Kingdom)

Published in SPIE Proceedings Vol. 8988:
Integrated Optics: Devices, Materials, and Technologies XVIII
Jean Emmanuel Broquin; Gualtiero Nunzi Conti, Editor(s)

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