22 February 1995 Migration of guided and leaky modes in rotated optical axis birefringent waveguides
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Proceedings Volume 2449, Fiber Optic Network Components; (1995) https://doi.org/10.1117/12.201984
Event: Advanced Networks and Services, 1995, Amsterdam, Netherlands
Abstract
The guided and leaky mode propagation in a multilayered c-rotated anisotropic waveguide having an equatorial dielectric tensor configuration is examined. In particular, the electromagnetic behavior of titanium diffused lithium niobate (Ti:LiNbO3) and proton exchanged lithium niobate (PE:LiNbO3) waveguides is compared. The dependence of modal characteristics on the equatorial angle (gamma) is shown and the effects of different metal layers are investigated. The transition from leaky to guided modes occurs only for the PE:LiNbO3 waveguide while the modes do not change their nature for the Ti:LiNbO3 waveguide. The number of guided modes, for the PE:LiNbO3 waveguide, increases by increasing the angle (gamma) . The first guided mode, having the real part of the refractive effective index nr equals 2.2701, appears at (gamma) equals 25 degree(s), while, for (gamma) > 73 degree(s) nine different guided modes exist.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Antonella D'Orazio, Antonella D'Orazio, Marco De Sario, Marco De Sario, G. Ficarella, G. Ficarella, Diego Marchese, Diego Marchese, Vincenzo Petruzzelli, Vincenzo Petruzzelli, Francesco Prudenzano, Francesco Prudenzano, } "Migration of guided and leaky modes in rotated optical axis birefringent waveguides", Proc. SPIE 2449, Fiber Optic Network Components, (22 February 1995); doi: 10.1117/12.201984; https://doi.org/10.1117/12.201984
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