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

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.
5cc1b864-b738-4455-9a61-6fb58c8ccc44
Poletti, F.
9adcef99-5558-4644-96d7-ce24b5897491
Zervas, M.N.
1840a474-dd50-4a55-ab74-6f086aa3f701
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, 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, United States, 2014-02-01 - 2014-02-06
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 363487
URI: http://eprints.soton.ac.uk/id/eprint/363487
PURE UUID: 7e160efc-087b-489d-97d4-a8070ca3ed48
ORCID for F. Poletti: ORCID iD orcid.org/0000-0002-1000-3083
ORCID for M.N. Zervas: ORCID iD orcid.org/0000-0002-0651-4059

Catalogue record

Date deposited: 25 Mar 2014 13:43
Last modified: 18 Feb 2021 17:09

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