Quantum key distribution (QKD) is the first quantum information task to reach the level of
mature technology, already fit for commercialization. It aims at the creation of a secret key …

Quantum communications is the art of exchanging and manipulating information beyond the
capabilities of the conventional technologies using the laws of quantum mechanics. With …

How to remove detector side channel attacks has been a notoriously hard problem in
quantum cryptography. Here, we propose a simple solution to this problem—measurement …

With the help of quantum key distribution (QKD), two distant peers are able to share
information-theoretical secure key bits. Increasing the key rate is ultimately significant for the …

We demonstrate the first implementation of polarization encoding measurement-device-
independent quantum key distribution (MDI-QKD), which is immune to all detector side …

Several vulnerabilities of single-photon detectors have recently been exploited to
compromise the security of quantum-key-distribution (QKD) systems. In this Letter, we report …

We perform a proof-of-principle demonstration of the measurement-device-independent
quantum key distribution protocol using weak coherent states and polarization-encoded …

In the quantum version of a Trojan-horse attack, photons are injected into the optical
modules of a quantum key distribution system in an attempt to read information direct from …

Multiplexing is a strategy to augment the transmission capacity of a communication system. It
consists of combining multiple signals over the same data channel and it has been very …

In existing quantum key distribution protocols, two legitimate peers, Alice and Bob, must
monitor the signal disturbance to place a bound on the potential information leakage …