Optical waveguides of aluminum garnet

Details Optical waveguides of aluminum garnet Optical waveguides of aluminum garnet

1991-05-28

1992-05-12

Ullah, Akm

Optical waveguides

Planar optical waveguide

Thin film optical waveguide

385141, G02B 137

Patent

active

051134721

ABSTRACT:
Optical waveguides suitable for use in high temperature environments are constructed of a waveguiding body composed of a first crystalline aluminum garnet, which is clad with an epitaxially deposited layer of a second crystalline aluminum garnet. The second crystalline aluminum garnet has a lower refractive index than the first crystalline aluminum garnet.

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patent: 4758092 (1988-07-01), Heinrich et al.
Tien et al., "Optical Waveguides of Single Crystal Garnet Films", Appl. Phys. Lett., 21, (5) pp. 207-209 (1972).
Wolfe et al., "Broadband Magneto Optic Waveguide Isolator", Appl. Phys. Lett. 57, pp. 960-962 (1990).
Chandler et al., "Ion-Implanted Nd:YAG planar Waveguide Laser", Elect. Lett. 25, pp. 985-986 (1989).
Pross et al., "Yttrium Iron Garnet Single Mode Buried Channel Waveguide for Waveguide Isolators", Appl. Phys. Lett. 52, pp. 682-684, (1988).
Wolfe et al., "Etch-Tuned Ridged Waveguide Magneto Optic Isolator", Appl. Phys. Lett. 56, pp. 426-428 (1990).

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