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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 9 — Sep. 1, 2007
  • pp: 2287–2293

Dirichlet-to-Neumann map method for second- harmonic generation in piecewise uniform waveguides

Lijun Yuan and Ya Yan Lu  »View Author Affiliations


JOSA B, Vol. 24, Issue 9, pp. 2287-2293 (2007)
http://dx.doi.org/10.1364/JOSAB.24.002287


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Abstract

For second-harmonic generation in two-dimensional waveguiding structures composed of segments that are invariant in the longitudinal direction, we develop an efficient numerical method based on the Dirichlet-to-Neumann (DtN) maps of the segments and a marching scheme using two operators and two functions. A Chebyshev collocation method is used to discretize the longitudinal variable for computing the DtN map and the locally generated second harmonic wave in each segment. The method rigorously solves the inhomogeneous Helmholtz equation of the second-harmonic wave without making any analytic approximations. Numerical examples are used to illustrate this new method.

© 2007 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(130.2790) Integrated optics : Guided waves
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 23, 2007
Manuscript Accepted: June 6, 2007
Published: August 21, 2007

Citation
Lijun Yuan and Ya Yan Lu, "Dirichlet-to-Neumann map method for second- harmonic generation in piecewise uniform waveguides," J. Opt. Soc. Am. B 24, 2287-2293 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-9-2287

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