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Growth and Characterization of Magnetooptic Garnet Films with Planar Uniaxial Anisotropy

Published online by Cambridge University Press:  01 February 2011

Vincent J. Fratello ,
Irina Mnushkina ,
Steven J. Licht  and
Robert R. Abbott
Vincent J. Fratello
Affiliation:
Integrated Photonics, Inc., 132 Stryker Lane Hillsborough, NJ 08844–1937, U.S.A.
Irina Mnushkina
Affiliation:
Integrated Photonics, Inc., 132 Stryker Lane Hillsborough, NJ 08844–1937, U.S.A.
Steven J. Licht
Affiliation:
Integrated Photonics, Inc., 132 Stryker Lane Hillsborough, NJ 08844–1937, U.S.A.
Robert R. Abbott
Affiliation:
Integrated Photonics, Inc., 132 Stryker Lane Hillsborough, NJ 08844–1937, U.S.A.
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Abstract

Thick film garnet Faraday rotators with perpendicular anisotropy have limited utility for variable polarization rotation applications because multi-domain effects result in large effective insertion losses in device applications. Thick film growth of (BiGdLu)3(FeGaAl)5O12 on (100) substrates yields growth-induced anisotropies ranging from positive anisotropy perpendicular domains to negative anisotropy in-plane domains. Planar domains show variable magnetization by domain rotation with a uniform projection of magnetization along the axis of light propagation. This can produce low-loss devices when operated in sub-saturation applications such as magnetic field sensors, variable optical attenuators and polarization controllers.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 834: Symposium J – Magneto-Optical Materials for Photonics and Recording , 2004 , J6.2
Copyright
Copyright © Materials Research Society 2005

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References

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