293 citations · 1.4k across the 35 of their papers we have counts for
4 papers · 1 filter
Polarization-stable long-distance interference of independent photons for quantum communications
T. Ferreira da Silva, D. Vitoreti, G. B. Xavier +2
Interference between fully-independent faint laser sources over two 8.5-km full polarization-controlled fiber links was performed, with stable visibility of 47.8%, an essential ste…
Real-time monitoring of single-photon detectors against eavesdropping in quantum key distribution systems
T. Ferreira da Silva, G. B. Xavier, G. P. Temporão +1
By employing real-time monitoring of single-photon avalanche photodiodes we demonstrate how two types of practical eavesdropping strategies, the after-gate and time-shift attacks,…
Real-time characterization of gated-mode single-photon detectors
T. Ferreira da Silva, G. B. Xavier, J. P. von der Weid
We propose a characterization method for the overall detection efficiency, afterpulse and dark count probabilities of single-photon counting modules in real-time with simple instru…
Employing long fibre-optical Mach- Zehnder interferometers for quantum cryptography with orthogonal states
G. B. Xavier, G. P. Temporao, J. P. von der Weid
We experimentally demonstrate that a long distance actively stabilized Mach-Zehnder fibre optical interferometer can be used to reliably implement the GV95 quantum cryptography pro…