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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 12 — Jun. 4, 2012
  • pp: 13014–13029

Pseudospectral mode solver for analyzing nonlinear optical waveguides

Chia-Chien Huang  »View Author Affiliations


Optics Express, Vol. 20, Issue 12, pp. 13014-13029 (2012)
http://dx.doi.org/10.1364/OE.20.013014


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Abstract

Numerical mode solver using a pseudospectral scheme is developed for solving various nonlinear dielectric and plasmonic waveguides with arbitrary nonlinear media. Two nonlinear iterative approaches that use this scheme are implemented; these approaches assign the mode power and effective index as extracted eigenvalues. However, to obtain the complete power dispersion curve including the stable and unstable modal solutions, assigning the mode power as an eigenvalue for a given effective index is required. Moreover, the biaxial feature of the nonlinear refractive index is considered for solving the transverse magnetic (TM) modes in materials of practical interest. Furthermore, the proposed scheme solves the problem of nonlinear surface plasmons guided by a thin metal film with nonlinear cladding, and the mode characteristics of long- and short-range surface plasmon polaritons are analyzed. We also apply the proposed scheme to a 2D strip waveguide with a nonlinear saturation substrate.

© 2012 OSA

OCIS Codes
(130.2790) Integrated optics : Guided waves
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(230.7380) Optical devices : Waveguides, channeled
(240.4350) Optics at surfaces : Nonlinear optics at surfaces

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 9, 2012
Revised Manuscript: May 20, 2012
Manuscript Accepted: May 20, 2012
Published: May 24, 2012

Citation
Chia-Chien Huang, "Pseudospectral mode solver for analyzing nonlinear optical waveguides," Opt. Express 20, 13014-13029 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-12-13014


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