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. 01, 2020
Filed:
Sep. 11, 2019
Applicant:
Sicoya Gmbh, Berlin, DE;
Inventors:
Moritz Grehn, Berlin, DE;
Thorsten Kettler, Berlin, DE;
Gan Zhou, Berlin, DE;
Marco Vitali, Berlin, DE;
Assignee:
SICOYA GMBH, Berlin, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/01 (2006.01);
U.S. Cl.
CPC ...
G02F 1/0147 (2013.01); G02F 1/011 (2013.01); G02F 2201/58 (2013.01); G02F 2203/50 (2013.01);
Abstract
The invention relates to optical devices comprising polarization diversity couplers. An embodiment of the invention relates to an optical device comprising a polarization diversity coupler configured to receive a beam of optical radiation. The optical device may further comprise a phase shifter, a 2×N coupler, a photodetector and a control unit configured to generate a control signal based on a monitor signal of the photodetector.