Optical modulator and drive method thereof

Details Optical modulator and drive method thereof Optical modulator and drive method thereof

1998-12-08

2000-05-02

Epps, Georgia

Optical: systems and elements

Optical modulator

Light wave temporal modulation

347135, 347136, 359245, 359255, G02F 103

Patent

active

060579552

ABSTRACT:
An optical modulation element is constructed of an electro-optic crystal substrate, which includes individual electrodes arrayed and formed one-dimensionally on one surface of the substrate and also includes a common electrode formed on the other surface in opposition to the plurality of individual electrodes. The portion of the electrode-optic crystal substrate, interposed between the common electrode and each the individual electrode, constitutes an aperture portion. The aperture portion is switched between a light-transmitting state and a light cut-off state by controlling voltage between the opposite electrodes. Light incident on the aperture portion in a direction perpendicular to the arrayed direction of the individual electrodes from one surface of the electro-optic crystal substrate is modulated. Each individual electrode is formed into a shape that partially shares adjacent individual electrodes with a region on the electro-optic crystal substrate in the arrayed direction of the individual electrodes.

REFERENCES:
patent: 5416631 (1995-05-01), Yagi
patent: 5768003 (1998-06-01), Gobeli
patent: 5835254 (1998-11-01), Bacon

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