Quantum hacking of continuous-variable quantum key distribution systems: realtime Trojan-horse attacks
Birgit Stiller, Imran Khan, Nitin Jain, Paul Jouguet, Sébastien Kunz-Jacques, Eleni Diamanti, Christoph W. Marquardt, Gerd Leuchs · 2015
We experimentally demonstrate successful Trojan-horse attacks on laboratory and commercial continuous-variable quantum key distribution systems with binary and Gaussian modulation. Furthermore, we analyze appropriate countermeasures regarding their spectral performance.