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. 07, 2025
Filed:
Sep. 15, 2022
Quantum Optics Jena Gmbh, Jena, DE;
Adriá Sansa Perna, Jena, DE;
Alessandro Zannotti, Jena, DE;
Oliver de Vries, Jena, DE;
René Heilmann, Schwansee, DE;
Quantum Optics Jena GmbH, Jena, DE;
Abstract
A method for quantum communication between at least three receivers includes: The photons generated in step i) are generated in a signal wavelength range and an idler wavelength range that are spectrally separated from one another, and, in step ii), the photons are assigned to the quantum channels () such that, in step iii), only signal photons are transmitted to a first receiver () for the communication with all other receivers (), and, in step iii), only idler photons are transmitted to a second receiver () for the communication with all other receivers (), and, in step iii), both signal photons and idler photons are transmitted to the further receivers () for the communication with all other receivers (), and all receivers () are connected to the source () via in each case one quantum channel ().