Paper
7 March 2001 Photon source for quantum cryptography using postselection from entangled quantum states
Ondrej Haderka, Jan Perina Sr.
Author Affiliations +
Proceedings Volume 4356, 12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; (2001) https://doi.org/10.1117/12.417869
Event: 12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2000, Velke Losiny, Czech Republic
Abstract
A realistic model for a photon source based on postselection from correlated photon pairs produced by parametric frequency down-conversion is suggested. Its efficiency in producing approximation of single photon states is examined. The application of such source in quantum key distribution schemes is discussed and comparison with currently used sources of photons is given. Future prospects of this type of photon source are outlined.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ondrej Haderka and Jan Perina Sr. "Photon source for quantum cryptography using postselection from entangled quantum states", Proc. SPIE 4356, 12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, (7 March 2001); https://doi.org/10.1117/12.417869
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KEYWORDS
Sensors

Quantum key distribution

Signal detection

Quantum efficiency

Quantum cryptography

Instrument modeling

Photonic devices

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