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:
Oct. 31, 2023
Filed:
Apr. 03, 2023
Applicant:
Agency for Defense Development, Daejeon, KR;
Inventors:
Yong Sup Ihn, Daejeon, KR;
Dongkyu Kim, Daejeon, KR;
Kyungdeuk Park, Daejeon, KR;
Dohoon Lim, Daejeon, KR;
Assignee:
AGENCY FOR DEFENSE DEVELOPMENT, Daejeon, KR;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/39 (2006.01); G02F 1/35 (2006.01); G02F 1/355 (2006.01);
U.S. Cl.
CPC ...
G02F 1/397 (2013.01); G02F 1/3503 (2021.01); G02F 1/3507 (2021.01); G02F 1/3551 (2013.01);
Abstract
A quantum source includes: a quantum source generator dividing a pump beam into a plurality of channels and generating a plurality of signals and a plurality of idlers using nonlinear crystals respectively located optical paths of the plurality of channels; and an entangled photon pair combiner outputting an enhanced signal by combining the plurality of signals and outputting an enhanced idler by combining the plurality of idlers.