Polarization tracking system for free-space optical communication, including quantum communication
Abstract
Quantum communication transmitters include beacon lasers that transmit a beacon optical signal in a predetermined state of polarization such as one of the states of polarization of a quantum communication basis. Changes in the beacon polarization are detected at a receiver, and a retarder is adjusted so that the states of polarization in a received quantum communication optical signal are matched to basis polarizations. The beacon and QC signals can be at different wavelengths so that the beacon does not interfere with detection and decoding of the QC optical signal.
- Inventors:
- Issue Date:
- Research Org.:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1416319
- Patent Number(s):
- 9866379
- Application Number:
- 13/600,918
- Assignee:
- Los Alamos 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: 2012 Aug 31
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Citation Formats
Nordholt, Jane Elizabeth, Newell, Raymond Thorson, Peterson, Charles Glen, and Hughes, Richard John. Polarization tracking system for free-space optical communication, including quantum communication. United States: N. p., 2018.
Web.
Nordholt, Jane Elizabeth, Newell, Raymond Thorson, Peterson, Charles Glen, & Hughes, Richard John. Polarization tracking system for free-space optical communication, including quantum communication. United States.
Nordholt, Jane Elizabeth, Newell, Raymond Thorson, Peterson, Charles Glen, and Hughes, Richard John. Tue .
"Polarization tracking system for free-space optical communication, including quantum communication". United States. https://www.osti.gov/servlets/purl/1416319.
@article{osti_1416319,
title = {Polarization tracking system for free-space optical communication, including quantum communication},
author = {Nordholt, Jane Elizabeth and Newell, Raymond Thorson and Peterson, Charles Glen and Hughes, Richard John},
abstractNote = {Quantum communication transmitters include beacon lasers that transmit a beacon optical signal in a predetermined state of polarization such as one of the states of polarization of a quantum communication basis. Changes in the beacon polarization are detected at a receiver, and a retarder is adjusted so that the states of polarization in a received quantum communication optical signal are matched to basis polarizations. The beacon and QC signals can be at different wavelengths so that the beacon does not interfere with detection and decoding of the QC optical signal.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {1}
}
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