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:
Feb. 24, 2015
Filed:
Mar. 13, 2013
Applicant:
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Inventors:
Youichi Sakakibara, Ibaraki, JP;
Ryohei Takei, Ibaraki, JP;
Masahiko Mori, Ibaraki, JP;
Toshihiro Kamei, Ibaraki, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/26 (2006.01); G02B 6/136 (2006.01); G02B 6/122 (2006.01); G02B 6/30 (2006.01); G02B 6/24 (2006.01);
U.S. Cl.
CPC ...
G02B 6/136 (2013.01); G02B 6/1228 (2013.01); G02B 6/305 (2013.01); G02B 6/241 (2013.01);
Abstract
A semiconductor pointed structure formed at an end portion of the core structure of a semiconductor photonic wire waveguide has a sloped side wall on at least one of the sides that constitute the pointed structure. The semiconductor pointed structure decreases in width and thickness towards the distal end. A method for fabrication of the structure is also disclosed.