Abstract

Buried channel waveguides in magneto-optic yttrium iron garnet have been prepared for application to waveguide isolators. The channel waveguides are fabricated in a three-step procedure: planar single-mode waveguides are grown, then rib waveguides are wet-etched into the planar waveguides and successively overgrown with top cladding. Light propagation and mode conversion characteristics of such waveguides have been investigated.

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