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:
Nov. 22, 2022
Filed:
Aug. 22, 2018
Applicant:
Teknologian Tutkimuskeskus Vtt Oy, Espoo, FI;
Inventors:
Matteo Cherchi, Espoo, FI;
Alexander Petrov, Hamburg, DE;
Dirk Jalas, Hamburg, DE;
Mikko Harjanne, Espoo, FI;
Timo Aalto, Espoo, FI;
Manfred Eich, Hamburg, DE;
Assignee:
Teknologian tutkimuskeskus VTT Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/09 (2006.01); G02F 1/095 (2006.01); G02F 1/01 (2006.01);
U.S. Cl.
CPC ...
G02F 1/0955 (2013.01); G02F 1/0136 (2013.01);
Abstract
The invention relates to optical waveguide components, such as Faraday rotators and their manufacture Faraday rotators based on silicon waveguides are provided, where the waveguide has folded or wound sections that are parallel to an externally applied magnetic field.