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), has the potential to enable secure communication and
information transfer. In the laboratory, the feasibility of point-to-point QKD is evident from the …

Twin-field quantum key distribution can overcome the secret key capacity of repeaterless
quantum key distribution via single-photon interference. However, to compensate for the …

The security of quantum key distribution (QKD) is severely threatened by discrepancies
between realistic devices and theoretical assumptions. Recently, a significant framework …

E-commerce, a type of trading that occurs at a high frequency on the internet, requires
guaranteeing the integrity, authentication, and nonrepudiation of messages through long …

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

We propose a fully passive linear optical quantum key distribution (QKD) source that
implements both random decoy-state and encoding choices with postselection only, thus …

Although the unconditional security of quantum key distribution (QKD) has been widely
studied, the imperfections of the practical devices leave potential loopholes for Eve to spy …

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