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:
Apr. 06, 2021
Filed:
Nov. 03, 2017
Applicant:
Quantumctek Co., Ltd., Hefei, CN;
Inventor:
Yanlin Tang, Hefei, CN;
Assignee:
QUANTUMCTEK CO., LTD., Hefei, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/70 (2013.01); H04B 10/508 (2013.01); H04B 10/54 (2013.01); H04B 10/556 (2013.01); H04L 9/08 (2006.01); H04B 10/524 (2013.01);
U.S. Cl.
CPC ...
H04B 10/5561 (2013.01); H04B 10/508 (2013.01); H04B 10/524 (2013.01); H04B 10/541 (2013.01); H04B 10/70 (2013.01); H04L 9/0858 (2013.01);
Abstract
Provided are a light source for use in the field of quantum communication, and an encoding device using the light source. When the light source is applied to Z basis encoding, a high and stable extinction ratio can be provided, and two consecutive optical pulses having a stable phase relation can be provided for encoding under an X basis.