Optical control device

Details Optical control device Optical control device

1996-11-27

1998-08-04

Ngo, John

Optical waveguides

Temporal optical modulation within an optical waveguide

Electro-optic

385 9, G02B 610

Patent

active

057907196

ABSTRACT:
An optical control device include a substrate having an electrooptic effect, the substrate having ridges with optical waveguides. A buffer layer is formed on the substrate surface, and electrodes are provided. The electrodes includes at least one ground electrode, and a central electrode that is formed on the buffer layer over a ridge. The width of the central electrode on the side where the central electrode contacts the buffer layer is larger than the width of the optical waveguide. Because of this construction, the optical control device can achieve constant characteristics and a broad bandwidth.

REFERENCES:
patent: 5129017 (1992-07-01), Kawano et al.
patent: 5220627 (1993-06-01), Kawano et al.
patent: 5422966 (1995-06-01), Gopalakrishnan et al.

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