Inverse scattering designs of dispersion-engineered single-mode planar waveguides
Inverse scattering designs of dispersion-engineered single-mode planar waveguides
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.
May, A.R.
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Poletti, F.
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Zervas, M.N.
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May, A.R.
5cc1b864-b738-4455-9a61-6fb58c8ccc44
Poletti, F.
9adcef99-5558-4644-96d7-ce24b5897491
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
May, A.R., Poletti, F. and Zervas, M.N.
(2014)
Inverse scattering designs of dispersion-engineered single-mode planar waveguides.
SPIE Photonics West 2014, , San Francisco, United States.
01 - 06 Feb 2014.
(doi:10.1117/12.2039220).
Record type:
Conference or Workshop Item
(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.
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e-pub ahead of print date: 2014
Venue - Dates:
SPIE Photonics West 2014, , San Francisco, United States, 2014-02-01 - 2014-02-06
Organisations:
Optoelectronics Research Centre
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Local EPrints ID: 363487
URI: http://eprints.soton.ac.uk/id/eprint/363487
PURE UUID: 7e160efc-087b-489d-97d4-a8070ca3ed48
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Date deposited: 25 Mar 2014 13:43
Last modified: 15 Mar 2024 03:28
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Author:
A.R. May
Author:
F. Poletti
Author:
M.N. Zervas
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