Photon source for quantum cryptography using postselection from entangled quantum states

Ondrej Haderka; Jan Perina Sr.

doi:10.1117/12.417869

7 March 2001 Photon source for quantum cryptography using postselection from entangled quantum states

Ondrej Haderka, Jan Perina Sr.

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.

Citation Download Citation

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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