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