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:
Jan. 05, 2021
Filed:
Mar. 20, 2018
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Stefan Abel, Zurich, CH;
Paul F. Seidler, Thalwil, CH;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/29 (2006.01); G06N 3/06 (2006.01); G06N 3/067 (2006.01); G11C 13/04 (2006.01);
U.S. Cl.
CPC ...
G02F 1/293 (2013.01); G06N 3/0675 (2013.01); G11C 13/048 (2013.01); G02F 2202/13 (2013.01);
Abstract
An integrated optical transmission element may be provided. The integrated optical transmission element includes an optical cavity including an input port and an output port, and photorefractive material within the optical cavity. A transmission of light from the input port to the output port is persistently changeable by an optical control signal provided to the photorefractive material, the optical control signal being configured to change a refractive index.