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:
Jun. 03, 2014
Filed:
Oct. 05, 2012
Applicant:
The Trustees of Columbia University IN the City of New York, New York, NY (US);
Inventors:
Dirk R. Englund, New York, NY (US);
Jacob Mower, New York, NY (US);
Assignee:
The Trustees of Columbia University in the City of New York, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for distributing a quantum key is provided, including sending a first photon to a first receiver; sending a second photon to a second receiver, the first and second photons being a pair of time-energy entangled photons; and providing a coding scheme comprising a plurality of time bins and a plurality of frequency bins, wherein a combination of a time bin and a frequency bin corresponds to a character.