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. 15, 2026
Filed:
Nov. 29, 2023
Applicant:
Fujitsu Limited, Kawasaki, JP;
Inventors:
Tetsuro Ishiguro, Kawasaki, JP;
Tetsuya Miyatake, Isehara, JP;
Kenichi Kawaguchi, Ebina, JP;
Toshiki Iwai, Atsugi, JP;
Yoshiyasu Doi, Yokohama, JP;
Shintaro Sato, Atsugi, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/12 (2006.01); G02B 6/10 (2006.01); G06N 10/40 (2022.01);
U.S. Cl.
CPC ...
G02B 6/107 (2013.01); G02B 6/105 (2013.01); G06N 10/40 (2022.01);
Abstract
An optical waveguide includes a diamond layer including a first surface, a second surface and a diamond layer including a complex defect; a first clad layer in contact with the first surface; a second clad layer in contact with the second surface and including a polarity; and a metal layer in Schottky contact with the second clad layer.