Quantum key distribution (QKD) constitutes a symmetric secret key negotiation protocol
capable of maintaining information-theoretic security. Given the recent advances in QKD …

Quantum cryptography is arguably the fastest growing area in quantum information science.
Novel theoretical protocols are designed on a regular basis, security proofs are constantly …

In principle, quantum key distribution (QKD) offers information-theoretic security based on
the laws of physics. In practice, however, the imperfections of realistic devices might …

Quantum key distribution (QKD) promises unconditional security in data communication and
is currently being deployed in commercial applications. Nonetheless, before QKD can be …

Quantum cryptography founded on the laws of physics could revolutionize the way in which
communication information is protected. Significant progresses in long-distance quantum …

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 …

In recent years, there has been a great effort to prove the security of quantum key distribution
(QKD) with a minimum number of assumptions. Besides its intrinsic theoretical interest, this …

With the emergence of an information society, the idea of protecting sensitive data is steadily
gaining importance. Conventional encryption methods may not be sufficient to guarantee …

Quantum key distribution (QKD) allows two distant parties to share secret keys with the
proven security even in the presence of an eavesdropper with unbounded computational …

The quantum network makes use of quantum states to transmit data, which will revolutionize
classical communication and allow for some breakthrough applications. Quantum key …