Apparatus comprising a waveguide magneto-optic isolator

Details Apparatus comprising a waveguide magneto-optic isolator Apparatus comprising a waveguide magneto-optic isolator

1990-04-04

1991-07-16

Lee, John D.

350 9612, G02F 109

Patent

active

050319833

ABSTRACT:
The invention relates to optical systems comprising thin film optical waveguide isolators that are characterized by linear birefringence at least some wavelengths and temperatures. Disclosed is a method for using such a system at more than one wavelength and temperature.

REFERENCES:
patent: 4952014 (1990-08-01), Lieberman et al.
patent: 4973119 (1990-11-01), Taki
J. Applied Phys., vol. 63, 1988, "Thin-Film Garnet Materials with Zero Linear Birefringence for Magneto-Optic Waveguide Devices," by R. Wolfe et al, pp. 3099-3103.
Journal of IOOC, Jul. 1989, Kobe, Japan, "The 45.degree. Waveguide-Isolator," H. Dammann, et al. The information in this article is essentially the same as that later published in Appl. Phys. Lett., vol. 56, 1990-see AV.
Electronic Letters, vol. 25, 1989, "Phase Matching in Magneto-Optic YIG Films by Waveguide Temperature Control," by J. P. Castera et al, p. 297.
Appl. Phys. Lett., vol. 56, 1990, "Etch-Tuned Ridged Waveguide Magneto Optic Isolator," by R. Wolfe et al., p. 427.
Appl. Phys. Lett., vol. 56 (14), 1990, "45.degree. Waveguide Isolators with Phase Mismatch," H. Dammann et al., pp. 1302-1304.

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