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.

Date of Patent:
May. 10, 2022

Filed:

Jan. 23, 2018
Applicant:

University of the Witwatersrand, Johannesburg, Johannesburg, ZA;

Inventors:

Andrew Forbes, Johannesburg, ZA;

Bienvenu Ndagano, Johannesburg, ZA;

Isaac Nape, Johannesburg, ZA;

Mitchell Cox, Johannesburg, ZA;

Carmelo Rosales-Guzman, Johannesburg, ZA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/70 (2013.01); H04L 9/08 (2006.01); H04B 10/50 (2013.01); H04B 10/66 (2013.01);
U.S. Cl.
CPC ...
H04L 9/0852 (2013.01); H04B 10/50 (2013.01); H04B 10/66 (2013.01); H04B 10/70 (2013.01);
Abstract

This invention relates generally to a method and system for hybrid classical-quantum communication. The method comprises transmitting a single photon having a particular quantum state over a communication medium using a quantum mode set; and transmitting a classical light beam over the same communication medium using a classical mode set, wherein the classical and quantum mode sets comprise non-separable modes in common. The non-separable modes in common may be two degrees of freedom of a single photon or classical light and may thus be spatial modes in one or more indexes, and polarisation. The invention relates also to a system to implement the method accordingly.


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