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Proceedings Paper

Faraday polarisation mode conversion in semiconductor waveguides incorporating periodic garnet claddings
Author(s): David C. Hutchings; Cui Zhang; Barry M. Holmes; Prabesh Dulal; Andrew D. Block; Bethanie J. H. Stadler
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Paper 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.

Paper Details

Date Published: 1 March 2016
PDF: 7 pages
Proc. SPIE 9750, Integrated Optics: Devices, Materials, and Technologies XX, 97500V (1 March 2016); doi: 10.1117/12.2211628
Show Author Affiliations
David C. Hutchings, Univ. of Glasgow (United Kingdom)
Cui Zhang, Univ. of Glasgow (United Kingdom)
Barry M. Holmes, Univ. of Glasgow (United Kingdom)
Prabesh Dulal, Univ. of Minnesota, Twin Cities (United States)
Andrew D. Block, Univ. of Minnesota, Twin Cities (United States)
Bethanie J. H. Stadler, Univ. of Minnesota, Twin Cities (United States)
Univ. of Minnesota, Minneapolis (United States)

Published in SPIE Proceedings Vol. 9750:
Integrated Optics: Devices, Materials, and Technologies XX
Jean-Emmanuel Broquin; Gualtiero Nunzi Conti, Editor(s)

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