Waveguide-type optical control device

Details Waveguide-type optical control device Waveguide-type optical control device

1995-11-20

1997-08-26

Bovernick, Rodney B.

Optical waveguides

With optical coupler

Particular coupling structure

385 2, 385 14, G02B 612, G02F 1035

Patent

active

056618301

ABSTRACT:
Disclosed is an optical control device which has a substrate with a pyroelectric effect; optical waveguides formed on the surface of the substrate; a pair of electrodes formed near the optical waveguides; a film layer formed between the substrate and the electrodes; and conductive film which covers near the electrodes and has a conductivity higher than that of the film layer; wherein the conductive film has a plurality of insulating portions between the electrodes.

REFERENCES:
patent: 4861126 (1989-08-01), Dautartas et al.
patent: 5153930 (1992-10-01), DuPuy et al.
patent: 5153934 (1992-10-01), Okayama et al.
patent: 5339369 (1994-08-01), Hopfer et al.
patent: 5473711 (1995-12-01), Hakogi et al.
patent: 5479552 (1995-12-01), Kitamura et al.
patent: 5526448 (1996-06-01), Nagata et al.
H. Nishimoto et al., "Polarization Independent 8 .times. 8 LiNbO.sub.3 Optical Matrix Switch", Electronic Information Communication Society, OQE88-147, pp. 67-74, 1988.
C. Gee et al., "Minimizing dc drift in LiNbO.sub.3 waveguide devices", Applied Physics Letters, Aug. 1985, vol. 47, No. 3, pp. 211-213.

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