Optical device and drive voltage supply device

Details Optical device and drive voltage supply device Optical device and drive voltage supply device

2007-11-27

2007-11-27

Font, Frank G. (Department: 2883)

Optical waveguides

Directional optical modulation within an optical waveguide

Electro-optic

C385S001000, C385S007000, C385S011000

Reexamination Certificate

active

11085210

ABSTRACT:
The present invention is directed toward an optical device and a drive voltage supply device, which prevent occurrence of a DC drift and enable stable selection of light of desired wavelength without deteriorating a filtering characteristic. The optical device comprises a substrate having an electrooptical effect; an optical waveguide formed in this substrate; a plurality of comb electrode pairs which are arranged side by side along the optical waveguide, can apply an electric field for said electrooptical effect, and are formed from respective pairs of comb electrodes; and drive voltage supply means capable of supplying a drive voltage to said comb electrode pairs such that the voltage changes with time.

REFERENCES:
patent: 4327971 (1982-05-01), Kondo et al.
patent: 5133028 (1992-07-01), Okayama et al.
patent: 5400171 (1995-03-01), Song
patent: 6754403 (2004-06-01), Schmid
patent: 6859568 (2005-02-01), Noe et al.
patent: 4-109216 (1992-04-01), None

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