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:
Jul. 24, 2018
Filed:
Feb. 18, 2015
Applicant:
Nec Corporation, Tokyo, JP;
Inventor:
Hiroyuki Yamazaki, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/24 (2006.01); G02B 6/44 (2006.01); G02B 6/42 (2006.01); H01S 5/10 (2006.01);
U.S. Cl.
CPC ...
G02B 6/4471 (2013.01); G02B 6/243 (2013.01); G02B 6/4206 (2013.01); G02B 6/4289 (2013.01); H01S 5/1028 (2013.01);
Abstract
An optical device capable of suppressing a reflected light at an end of an optical waveguide regardless of the width of the optical waveguide is provided. An optical device includes an optical waveguide and a terminator. The optical waveguide is formed on a substrate. The terminator is formed on the substrate in such a way that the terminator is connected to one end of the optical waveguide, includes a curved optical waveguide having such a curvature that it causes a bending loss in an input light input from the optical waveguide, the input light decaying as it propagates through the curved optical waveguide.