Polarization converter and circuit elements for use in optical w

Details Polarization converter and circuit elements for use in optical w Polarization converter and circuit elements for use in optical w

1978-10-17

1980-09-02

Levy, Stewart J.

350 9613, G02B 514

Patent

active

042203953

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: 3655261 (1972-04-01), Chang
patent: 3764195 (1973-10-01), Blank et al.

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