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:
Sep. 08, 2020
Filed:
Jul. 22, 2019
Applicant:
Commissariat À L'énergie Atomique ET Aux Énergies Alternatives, Paris, FR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/025 (2006.01); G02F 1/01 (2006.01); G02F 1/015 (2006.01);
U.S. Cl.
CPC ...
G02F 1/025 (2013.01); G02F 1/015 (2013.01); G02F 1/0121 (2013.01); G02F 2203/15 (2013.01);
Abstract
Provided is a device for modulating or switching an optical signal, comprising a first ring waveguide made of a first material with at least one p-n or p-i-n junction, and a second ring waveguide arranged axially opposite the first ring waveguide. The second ring waveguide is made of a second material that has a thermo-optic coefficient lower than the thermo-optic coefficient of the first material. The first ring waveguide is a sub-wavelength network.