Variational Effective Index Mode Solver


Ivanova, O.V. and Hammer, M. and Stoffer, R. and Groesen, E. van (2006) Variational Effective Index Mode Solver. In: IEEE/LEOS Benelux Chapter, 11th Annual Symposium, 30 Nov - 1 Dec 2006, Eindhoven, The Netherlands (pp. pp. 261-264).

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Abstract:A variational approach for the modal analysis of dielectric waveguides with arbitrary piecewise constant rectangular 2D cross-section is developed. It is based on a representation of a mode profile as a superposition of all modes of the constituting slab waveguides times some unknown continuous coefficient functions, defined on the entire lateral coordinate axis. The propagation constant and the lateral functions are found from a variational principle. It appears that this method, while preserving the computational efficiency of the standard effective index method, provides more accurate estimates for propagation constants, as well as well-defined continuous approximations for mode profiles.
Item Type:Conference or Workshop Item
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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