3 papers
quant-ph2026
Practical Countermeasure Against Attacks Exploiting Detection Efficiency Mismatch in Quantum Key Distribution
Ben J. Taylor, Peter R. Smith, James F. Dynes +4
We demonstrate a practical countermeasure against a well-known class of attacks on quantum key distribution (QKD) systems that exploit detection efficiency mismatch, where the rece…
quant-ph2026
Phase-Randomized Laser Pulse Generation at 10 GHz for Quantum Photonic Applications
Yuen San Lo, Adam H. Brzosko, Peter R. Smith +9
Gain-switching of laser diodes is a well-established technique for generating optical pulses with random phases, where the quantum randomness arises naturally from spontaneous emis…
quant-ph2024
Metro-scale QKD using multimode fiber
Adam Brzosko, Robert I Woodward, Yuen San Lo +4
We report a proof-of-principle realisation of a decoy-state BB84 QKD protocol with phase encoding over a record-breaking 17 km of MMF at a rate of 193 kbits/s, as well as over 1 Mb…