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:
Mar. 10, 2020
Filed:
Jun. 29, 2018
Los Alamos National Security, Llc, Los Alamos, NM (US);
Jane E. Nordholt, Los Alamos, NM (US);
Richard J. Hughes, Los Alamos, NM (US);
Raymond T. Newell, Los Alamos, NM (US);
Charles G. Peterson, Los Alamos, NM (US);
Rolando D. Somma, Santa Fe, NM (US);
Triad National Security, LLC, Los Alamos, NM (US);
Abstract
Multiple bit values can be encoded on a single photon in a quantum key distribution (QKD) system using a plurality of sidebands of an optical carrier frequency. Computational and conjugate bases can be defined, and photons decoded based on a selected state from either basis. If n sidebands are available, as many as logn bits can be encoded on a single photon. Errors in detected bit values due to selection of an incorrect basis state or other errors can be at least partially corrected by bit distillation to identity bit strings for which a transmitter and a receiver record the same values, without insecure transmission of these values.