Optical waveguide isolator based on nonreciprocal radiation

A new waveguide isolator which has a simple structure is proposed and experimentally demonstrated. The isolator operates on the basis of nonreciprocal guided-radiation mode conversion in a channel magneto-optic waveguide. The isolator was realized using a single-mode rib channel waveguide in Ce-subs...

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Bibliographic Details
Published in:Journal of applied physics 1994-12, Vol.76 (12), p.8155-8159
Main Authors: Shintaku, Toshihiro, Uno, Takehiko
Format: Article
Language:English
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Summary:A new waveguide isolator which has a simple structure is proposed and experimentally demonstrated. The isolator operates on the basis of nonreciprocal guided-radiation mode conversion in a channel magneto-optic waveguide. The isolator was realized using a single-mode rib channel waveguide in Ce-substituted yttrium iron garnet which has a very large Faraday rotation. 13.3 dB isolation was obtained at a wavelength near 1.55 μm.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.357867