Claudio Barreiro

TL;DR: The paper presents the architecture and functionality of the principal networking agent?the SECOQC node module, which enables the authentic classical communication required for key distillation, manages the generated key material, determines a communication path between any destinations in the network, and realizes end-to-end secure transport of key material between these destinations.

TL;DR: In this article, the authors presented a practical and easy-to-implement method for high-speed near infrared single-photon detection based on InGaAs/InP singlephoton avalanche photodiodes (SPADs), combining aspects of sine gating and self-differencing techniques.

TL;DR: The first real world implementation of a fully functional QKD system over a 43 dB-loss transmission line in the Swisscom fibre optic network is reported, where average real-time distribution rates over 3 hours of 2.5 bps are obtained.

TL;DR: In this article, an InGaAs/InP single-photon avalanche diode (SPAD) was implemented for singlephoton detection with the fastest gating frequency reported so far, of 2.23GHz, which approaches the limit given by the bandwidth of the SPAD.

TL;DR: In this article, an active hold-o circuit was proposed to reduce the afterpulsing of the avalanche photodiode and improve the performance of the detector, which achieved a free-running operation with a 10% detection accuracy.