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25 August 1994 Analysis of nonreciprocal mode propagation in magneto-optic ridge waveguide structures
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Proceedings Volume 2212, Linear and Nonlinear Integrated Optics; (1994) https://doi.org/10.1117/12.185142
Event: Integrated Optoelectronics '94, 1994, Lindau, Germany
Abstract
Passive nonreciprocal components, such as isolators or circulators, can only be realized with magneto-optic, hence gyrotropic media. With lateral magnetization, the quasi TM/TE approximation is applicable, and only TM-modes exhibit nonreciprocal propagation. We investigate a waveguide consisting of a multi-layered ridge on top of a multi-layered substrate. Several methods (effective index, finite-difference, spectral index and Galerkin's) for calculating differences of forward and backward propagation constants are discussed. It is shown that a way to increase the nonreciprocal effect is to provide for strongly non- symmetrical structures.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mikhail Shamonin, Andreas Erdmann, Peter Hertel, and Horst Doetsch "Analysis of nonreciprocal mode propagation in magneto-optic ridge waveguide structures", Proc. SPIE 2212, Linear and Nonlinear Integrated Optics, (25 August 1994); https://doi.org/10.1117/12.185142
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