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Generating supercontinuum in dispersion varying As2S3 waveguides
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Paper Abstract

We simulate supercontinuum generation for various shapes of a dispersion varying As2S3 waveguides on MgF2 substrate with air cladding. The supercontinuum generation is simulated for pulses of 2000 W peak power and 50 fs pulse width centered at 1.55 μm wavelength. For a uniform waveguide the generated spectrum is considerably narrower than that for a non-uniform waveguide. This is because the non-uniform waveguide allows a continuous phase matching of the generated waves through nonlinear interaction. We have demonstrated that a high coefficient of nonlinear refractive index is necessary for generating supercontinuum with large bandwidths. Larger supercontinuum bandwidth is predicted for waveguides with increasing As2S3 thickness along the propagation direction.

Paper Details

Date Published: 14 May 2019
PDF: 12 pages
Proc. SPIE 11000, Fiber Optic Sensors and Applications XVI, 110000A (14 May 2019); doi: 10.1117/12.2518245
Show Author Affiliations
Lucas Railing, Univ. of Connecticut (United States)
Sunil Thapa, Univ. of Connecticut (United States)
Xiang Zhang, Univ. of Connecticut (United States)
Niloy Dutta, Univ. of Connecticut (United States)


Published in SPIE Proceedings Vol. 11000:
Fiber Optic Sensors and Applications XVI
Robert A. Lieberman; Glen A. Sanders; Ingrid U. Scheel, Editor(s)

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