1 March 2016 Faraday polarisation mode conversion in semiconductor waveguides incorporating periodic garnet claddings
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Abstract
We report on our progress towards the integration of nonreciprocal optical elements in, for example, an integrated optical waveguide isolator on conventional semiconductor photonic platforms. Our approach uses an evanescent interaction with a magneto-optic iron garnet upper cladding. Specifically, cerium- and bismuth- substituted yttrium and terbium iron garnets were investigated. Device fabrication incorporates RF sputtering, mask lift-off to form a grating for a quasi-phase-matched interaction and thermal anneal. A non-reciprocal polarisation-mode conversion was observed.
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David C. Hutchings, David C. Hutchings, Cui Zhang, Cui Zhang, Barry M. Holmes, Barry M. Holmes, Prabesh Dulal, Prabesh Dulal, Andrew D. Block, Andrew D. Block, Bethanie J. H. Stadler, Bethanie J. H. Stadler, } "Faraday polarisation mode conversion in semiconductor waveguides incorporating periodic garnet claddings", Proc. SPIE 9750, Integrated Optics: Devices, Materials, and Technologies XX, 97500V (1 March 2016); doi: 10.1117/12.2211628; https://doi.org/10.1117/12.2211628
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