Optical modulator for producing a controllable chirp

Details Optical modulator for producing a controllable chirp Optical modulator for producing a controllable chirp

1994-06-29

1995-04-18

Bovernick, Rodney B.

Optical waveguides

Temporal optical modulation within an optical waveguide

Electro-optic

385 4, 385 14, 385 2, G02B 610

Patent

active

054085446

ABSTRACT:
An optical modulator comprises an optical waveguide provided on an electro-optic substrate and formed of a first region for optical phase modulation and a second region for optical amplitude modulation cascaded with each other on the substrate, a signal electrode covering the optical waveguide for the first and second regions, and a ground electrode covering a surface of the substrate for the first and second regions, wherein the signal electrode includes an electrode strip extending on the surface of the substrate to continuously cover the optical waveguide from the first region to the second region, and wherein the ground electrode includes an electrode strip extending from the first region to the second region and covering the optical waveguide only in the first region.

REFERENCES:
patent: 5074631 (1991-12-01), Hamano et al.
patent: 5208697 (1993-05-01), Schaffner et al.
patent: 5278924 (1994-01-01), Schaffner
patent: 5359680 (1994-10-01), Riviere

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