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:
May. 16, 2023
Filed:
Dec. 21, 2016
Applicant:
Acacia Communications, Inc., Maynard, MA (US);
Inventor:
Long Chen, Marlboro, NJ (US);
Assignee:
ACACIA COMMUNICATIONS, INC., Maynard, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/24 (2006.01); G02F 1/225 (2006.01); G02B 6/122 (2006.01); G02F 1/21 (2006.01);
U.S. Cl.
CPC ...
G02F 1/2257 (2013.01); G02B 6/243 (2013.01); G02B 6/122 (2013.01); G02F 1/212 (2021.01); G02F 2201/08 (2013.01);
Abstract
Disclosed herein are methods, structures, apparatus and devices for the termination of unused waveguide ports in planar photonic integrated circuits with doped waveguides such that free-carrier absorption therein may advantageously absorb any undesired optical power resulting in a significant reduction of stray light and resulting reflections.