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.

Date of Patent:
Apr. 30, 2024

Filed:

Oct. 10, 2018
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Masakazu Takabayashi, Tokyo, JP;

Kenichi Abe, Tokyo, JP;

Satoshi Nishikawa, Tokyo, JP;

Koichi Akiyama, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/28 (2006.01); G02B 6/125 (2006.01); G02B 6/12 (2006.01); G02F 1/21 (2006.01); G02F 1/225 (2006.01);
U.S. Cl.
CPC ...
G02B 6/2813 (2013.01); G02B 6/125 (2013.01); G02B 6/2817 (2013.01); G02B 2006/12119 (2013.01); G02B 2006/1215 (2013.01); G02B 2006/12154 (2013.01); G02F 1/217 (2021.01); G02F 1/225 (2013.01);
Abstract

A multi-mode interferometric optical waveguide device includes: a multi-mode interferometric optical waveguide which includes a first reflective surface; a first single-mode waveguide connected to the multi-mode interferometric optical waveguide; and a second single-mode waveguide connected to the multi-mode interferometric optical waveguide and oppose the first reflective surface. Consequently, the multi-mode interferometric optical waveguide device can propagate light from the first single-mode waveguide to the second single-mode waveguide, with further reduced optical losses.


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Takabayashi, Masakazu. (2024). Multi-mode interferometric optical waveguide device and photonic integrated circuit (U.S. Patent No. 11971579). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11971579

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