Static information storage and retrieval – Magnetic bubbles – Guide structure
Patent
1974-05-13
1979-05-08
Corbin, John K.
Static information storage and retrieval
Magnetic bubbles
Guide structure
350 9613, 350 9615, 365122, G02B 514
Patent
active
041533283
ABSTRACT:
Wave propagation in thin film optical waveguides using gyrotropic or anisotropic material in either the substrate or adjacent top layer with respect to the thin film waveguide is analyzed and a mode converter capable of converting TE to TM or TM to TE polarization is disclosed. Several mode converters constructed in accordance with the present invention are set forth. Also disclosed are other optical circuit elements constructed from such mode converters including a gyrator, isolator, an optical switch, and a non-destructive optical readout for magnetic memories.
REFERENCES:
patent: 3465159 (1969-09-01), Stern
patent: 3655261 (1972-04-01), Chang
patent: 3764195 (1973-10-01), Blank et al.
Wang et al., "Wave Propagation in Thin-Film Optical Waveguides Using Gyrotropic and Anisotropic Materials as Substrates", IEEE Journal of Quantum Electronics, vol. QE-8, No. 2, Feb. 1972, pp. 212-216.
Wang et al., "Studies of Magnetooptic Effects for Thin-Film Optical-Waveguide Applications", IEEE Transactions on Magnetics, vol. Mag-7, No. 3, Sep. 1971, pp. 385-387.
Corbin John K.
The Regents of the University of California
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