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Matrix analysis of discontinuities in nonreciprocal waveguides: analytical description for magnetooptical slab waveguides

AuthorsSepúlveda, Borja ; Lechuga, Laura M.
Magnetooptic waveguides
Matrix analysis of discontinuities
Nonreciprocal waveguides
Issue DateJul-2004
PublisherInstitute of Electrical and Electronics Engineers
CitationJournal of Lightwave Technology 22(7): 1772-1781 (2004)
AbstractA new analytical formalism to study the effect of discontinuities in a nonreciprocal waveguide has been developed. The analysis is based on 1) the general orthogonality relation obtained from the reciprocity theorem, 2) the modal expansion of the transverse electromagnetic fields within the waveguide, and 3) the continuity of the tangential components of such electromagnetic fields at both sides of the discontinuity. The formalism is presented in a matrix form, which allows the treatment of several discontinuities as a simple summation and product of coupling and propagation matrices. The matrix formalism is developed for magnetooptic waveguides in the three different orientations of the magnetization, and, within this context, two practical applications of magnetooptic isolators are studied.
Description10 páginas, 9 figuras.
Publisher version (URL)http://dx.doi.org/10.1109/JLT.2004.831094
Appears in Collections:(IMN-CNM) Artículos
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