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. 06, 2026
Filed:
Aug. 23, 2022
Applicant:
Photonic Inc., Coquitlam, CA;
Inventors:
Youn Seok Lee, Coquitlam, CA;
Gary Wolfowicz, Coquitlam, CA;
Mohsen Keshavarz Akhlaghi, Coquitlam, CA;
Assignee:
Photonic Inc., Coquitlam, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/28 (2006.01); G01J 1/44 (2006.01); G02B 6/26 (2006.01); H01S 5/14 (2006.01);
U.S. Cl.
CPC ...
G02B 5/284 (2013.01); G01J 1/44 (2013.01); G02B 6/26 (2013.01); G01J 2001/442 (2013.01); H01S 5/14 (2013.01);
Abstract
Excitation used to produce luminescence is cancelled using interference with an excitation cancelling beam by controlling or setting a phase difference. An excitation beam and an excitation cancelling beam are produced from a common source and the excitation beam directed quantum light emitter to produce luminescence. A residual excitation beam and the excitation cancelling beam are coupled to interfere destructively so that the luminescence is available for detection or otherwise without substantial portions of the excitation beam.