Magneto-optic devices

Hans Juergen Schmitt

doi:10.1117/12.20498

1 August 1990 Magneto-optic devices

Hans Juergen Schmitt

Proceedings Volume 1274, Electro-Optic and Magneto-Optic Materials II; (1990) https://doi.org/10.1117/12.20498
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

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.

Citation Download Citation

Hans Juergen Schmitt "Magneto-optic devices", Proc. SPIE 1274, Electro-Optic and Magneto-Optic Materials II, (1 August 1990); https://doi.org/10.1117/12.20498

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