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Proceedings Paper

Magneto-optic devices
Author(s): Hans Juergen Schmitt
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Paper Abstract

Recent developments of magneto-optic devices for communications, sensing and data storage are reviewed. Single crystal garnets and sputtered films remain the basic material for nonreciprocal isolators, modulators and field sensors. For waveguide devices the accurate coupling theory for hybrid modes in anisotropic waveguides and the technology of integration into semiconductor chips has to be developed. New concepts which ease the condition for phasematch are emphasized. Magneto-optical recorders are already in use. Improvements involve materials technology of metal alloys with respect to sensitivity, stability, erasure and recording density.

Paper Details

Date Published: 1 August 1990
PDF: 12 pages
Proc. SPIE 1274, Electro-Optic and Magneto-Optic Materials II, (1 August 1990); doi: 10.1117/12.20498
Show Author Affiliations
Hans Juergen Schmitt, RWTH Aachen (Germany)

Published in SPIE Proceedings Vol. 1274:
Electro-Optic and Magneto-Optic Materials II
Hans Dammann, Editor(s)

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