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Growth and characterization of 300-µm thick bi-substituted gadolinium Iron garnet films for an optical isolator

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3 Author(s)
Hibiya, Taketoshi ; NEC Corporation, Miyamae-ku, Kawasaki, Japan ; Ishikawa, T. ; Ohta, Y.

A 300-µmm thick magnetooptic Bi-substituted gadolinium iron garnet film grown by liquid-phase epitaxy shows large magnetooptic figure of merit of 270 deg/dB at 1.3-µmm wavelength (Faraday rotation coefficient: - 1530 deg/cm, and optical absorption coefficient: 1.3 cm-1) and is a promising material for a "vertical type" optical isolator at 1.3-µmm. At 0.8-µm the figure of merit of 23 deg/dB is obtained.

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Magnetics, IEEE Transactions on  (Volume:22 ,  Issue: 1 )