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7 papers · 1 filter
Experimental quantum key distribution beyond the repeaterless secret key capacity
M. Minder, M. Pittaluga, G. L. Roberts +4
Quantum communications promise to revolutionise the way information is exchanged and protected. Unlike their classical counterpart, they are based on dim optical pulses that cannot…
Intrinsic mitigation of the after-gate attack in quantum key distribution through fast-gated delayed detection
Alex Koehler-Sidki, James F. Dynes, Amos Martinez +5
The information theoretic security promised by quantum key distribution (QKD) holds as long as the assumptions in the theoretical model match the parameters in the physical impleme…
Photon phase shift at the few-photon level and optical switching by a quantum dot in a microcavity
L. M. Wells, S. Kalliakos, B. Villa +6
We exploit the nonlinearity arising from the spin-photon interaction in an InAs quantum dot to demonstrate phase shifts of scattered light pulses at the single-photon level. Photon…
Simple source device-independent continuous-variable quantum random number generator
Peter Raymond Smith, Davide G. Marangon, Marco Lucamarini +2
Phase-randomized optical homodyne detection is a well-known technique for performing quantum state tomography. So far, it has been mainly considered a sophisticated tool for labora…
Real-time inteferometric quantum random number generation on chip
Thomas Roger, Taofiq Paraiso, Innocenzo De Marco +3
We demonstrate on-chip quantum random number generation at high data rates using the random phases of gain-switched laser pulses. Interference of the gain-switched pulses produced…
A Modulator-Free Quantum Key Distribution Transmitter Chip
Taofiq K. Paraïso, Innocenzo De Marco, Thomas Roger +5
Quantum key distribution (QKD) has convincingly been proven compatible with real life applications. Its wide-scale deployment in optical networks will benefit from an optical platf…