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4 papers · 2 filters
Security Aspects of Practical Quantum Cryptography
Gilles Brassard, Norbert Lütkenhaus, Tal Mor +1
The use of quantum bits (qubits) in cryptography holds the promise of secure cryptographic quantum key distribution schemes. Unfortunately, the implemented schemes can be totally i…
Entangled Coherent State Qubits in an Ion Trap
W. J. Munro, G. J. Milburn, B. C. Sanders
We show how entangled qubits can be encoded as entangled coherent states of two-dimensional centre-of-mass vibrational motion for two ions in an ion trap. The entangled qubit state…
Quantum cryptography via parametric downconversion
Gilles Brassard, Tal Mor, Barry C. Sanders
The use of quantum bits (qubits) in cryptography holds the promise of secure cryptographic quantum key distribution schemes. It is based usually on single-photon polarization state…
Multiphoton Coincidence Spectroscopy
L. Horvath, B. C. Sanders, B. F. Wielinga
We extend the analysis of photon coincidence spectroscopy beyond bichromatic excitation and two-photon coincidence detection to include multichromatic excitation and multiphoton co…