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:
Jan. 09, 2024
Filed:
Sep. 28, 2018
Applicant:
The Trustees of Columbia University IN the City of New York, New York, NY (US);
Inventors:
Assignee:
The Trustees of Columbia University in the City of New York, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/14 (2006.01); H01S 5/0683 (2006.01); H01S 5/10 (2021.01); H01S 5/0234 (2021.01); H01S 5/02325 (2021.01); H01S 5/30 (2006.01);
U.S. Cl.
CPC ...
H01S 5/141 (2013.01); H01S 5/0234 (2021.01); H01S 5/02325 (2021.01); H01S 5/06837 (2013.01); H01S 5/1028 (2013.01); H01S 5/142 (2013.01); H01S 5/3013 (2013.01);
Abstract
An on-chip laser includes a gain portion, a mirror in communication with the gain portion, a waveguide in communication with the gain portion, and a resonator optically coupled to the waveguide at an optical coupling. The resonator has a circular shape. The waveguide and the resonator are separate from the gain portion.