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. 31, 2023
Filed:
Jul. 24, 2018
Applicant:
The Regents of the University of California, Oakland, CA (US);
Inventors:
Boubacar Kante, La Jolla, CA (US);
Babak Bahari, La Jolla, CA (US);
Assignee:
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, Oakland, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/063 (2006.01); B82Y 20/00 (2011.01); G02F 1/365 (2006.01); H01S 3/094 (2006.01);
U.S. Cl.
CPC ...
H01S 3/063 (2013.01); G02F 1/365 (2013.01); H01S 3/094 (2013.01);
Abstract
A laser source includes a topological cavity for nonreciprocal lasing, a magnetic material and an optical waveguide. The magnetic material is arranged to interact with the topological cavity. The optical waveguide is arranged to receive light extracted from the topological cavity upon breaking of time-reversal symmetry in the topological cavity.