Long-haul high rate quantum key distribution
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 log2 n 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.
- Inventors:
- Issue Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1637888
- Patent Number(s):
- 10587402
- Application Number:
- 16/023,472
- Assignee:
- Triad National Security, LLC (Los Alamos, NM)
- Patent Classifications (CPCs):
-
H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04B - TRANSMISSION
H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04L - TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- DOE Contract Number:
- AC52-06NA25396
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 06/29/2018
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Citation Formats
Nordholt, Jane E., Hughes, Richard J., Newell, Raymond T., Peterson, Charles G., and Somma, Rolando D. Long-haul high rate quantum key distribution. United States: N. p., 2020.
Web.
Nordholt, Jane E., Hughes, Richard J., Newell, Raymond T., Peterson, Charles G., & Somma, Rolando D. Long-haul high rate quantum key distribution. United States.
Nordholt, Jane E., Hughes, Richard J., Newell, Raymond T., Peterson, Charles G., and Somma, Rolando D. Tue .
"Long-haul high rate quantum key distribution". United States. https://www.osti.gov/servlets/purl/1637888.
@article{osti_1637888,
title = {Long-haul high rate quantum key distribution},
author = {Nordholt, Jane E. and Hughes, Richard J. and Newell, Raymond T. and Peterson, Charles G. and Somma, Rolando D.},
abstractNote = {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 log2 n 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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {3}
}
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