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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 19, Iss. 3 — Mar. 1, 2002
  • pp: 610–619

Analysis of optical waveguide structures by use of a combined finite-difference/finite-difference time-domain method

Jon W. Wallace and Michael A. Jensen  »View Author Affiliations


JOSA A, Vol. 19, Issue 3, pp. 610-619 (2002)
http://dx.doi.org/10.1364/JOSAA.19.000610


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Abstract

We present a method for full-wave characterization of optical waveguide structures. The method computes mode-propagation constants and cross-sectional field profiles from a straightforward discretization of Maxwell’s equations. These modes are directly excited in a three-dimensional finite-difference time-domain simulation to obtain optical field transmission and reflection coefficients for arbitrary waveguide discontinuities. The implementation uses the perfectly-matched-layer technique to absorb both guided modes and radiated fields. A scattered-field formulation is also utilized to allow accurate determination of weak scattered-field strengths. Individual three-dimensional waveguide sections are cascaded by S-parameter analysis. A complete 104-section Bragg resonator is successfully simulated with the method.

© 2002 Optical Society of America

OCIS Codes
(000.3860) General : Mathematical methods in physics
(000.4430) General : Numerical approximation and analysis
(060.2310) Fiber optics and optical communications : Fiber optics
(230.1480) Optical devices : Bragg reflectors
(230.7370) Optical devices : Waveguides

History
Original Manuscript: May 4, 2001
Revised Manuscript: August 7, 2001
Manuscript Accepted: August 7, 2001
Published: March 1, 2002

Citation
Jon W. Wallace and Michael A. Jensen, "Analysis of optical waveguide structures by use of a combined finite-difference/finite-difference time-domain method," J. Opt. Soc. Am. A 19, 610-619 (2002)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-19-3-610

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