The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 06, 2026
Filed:
Apr. 27, 2022
Paragraf Limited, Somersham, GB;
Thomas James Badcock, Somersham, GB;
Ivor Guiney, Somersham, GB;
PARAGRAF LIMITED, Somersham, GB;
Abstract
There is provided an electro-optic modulator comprising: a substrate having a first channel of waveguide material embedded therein, the substrate and the waveguide material together providing a substantially flat upper surface, a first insulative layer on and across the upper surface; a graphene layer arranged on the first insulative layer and over at least a first portion of the first channel of waveguide material; and a second insulative layer provided on and across the graphene layer; wherein the graphene layer provides a first electrode, and wherein a, preferably non-graphene, second electrode is either: (i) provided on the second insulative layer at least overlapping the first portion of the first channel of waveguide material, or (ii) provided within the substrate at least underlapping the first portion of the first channel of waveguide material.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile