Abstract

The orthogonality relations of the modes of three-dimensional waveguides are discussed. The approximate modes are derived by means of the effective-index method. With this approach, slightly different orthogonality relations are obtained, depending on one’s assumptions and approximations.

© 1984 Optical Society of America

Formulation of two-dimensional reflectivity calculations based on the effective-index method

Amos Hardy
J. Opt. Soc. Am. A 1(5) 550-555 (1984)

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Coupling effects in symmetrical three-guide structures

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Developments in the theory of equivalent-step-index fibers

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