Inverse scattering designs of dispersion-engineered single-mode planar waveguides

Alexander R. May; Francesco Poletti; Michalis N. Zervas

doi:10.1117/12.2039220

8 March 2014 Inverse scattering designs of dispersion-engineered single-mode planar waveguides

Alexander R. May, Francesco Poletti, Michalis N. Zervas

Proceedings Volume 8988, Integrated Optics: Devices, Materials, and Technologies XVIII; 89881S (2014) https://doi.org/10.1117/12.2039220
Event: SPIE OPTO, 2014, San Francisco, California, United States

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.

Citation Download Citation

Alexander R. May, Francesco Poletti, and Michalis N. Zervas "Inverse scattering designs of dispersion-engineered single-mode planar waveguides", Proc. SPIE 8988, Integrated Optics: Devices, Materials, and Technologies XVIII, 89881S (8 March 2014); https://doi.org/10.1117/12.2039220

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