4 papers
Practical quantum cryptography for secure free-space communications
Richard J. Hughes, William T. Buttler, Paul G. Kwiat +4
Quantum cryptography is an emerging technology in which two parties may simultaneously generate shared, secret cryptographic key material using the transmission of quantum states o…
Practical free-space quantum key distribution over 1 km
W. T. Buttler, R. J. Hughes, P. G. Kwiat +6
A working free-space quantum key distribution (QKD) system has been developed and tested over an outdoor optical path of ~1 km at Los Alamos National Laboratory under nighttime con…
Free-space quantum key distribution
W. T. Buttler, R. J. Hughes, P. G. Kwiat +5
A working free-space quantum key distribution (QKD) system has been developed and tested over a 205-m indoor optical path at Los Alamos National Laboratory under fluorescent lighti…
Quantum Cryptography
Richard J. Hughes, D. M. Alde, P. Dyer +3
Quantum cryptography is a new method for secret communications offering the ultimate security assurance of the inviolability of a Law of Nature. In this paper we shall describe the…