Current implementations of quantum key distribution (QKD) typically rely on prepare-and-
measure (P&M) schemes. Unfortunately, these implementations are not completely secure …

Quantum key distribution (QKD) protocols with threshold detectors are driving high-
performance QKD demonstrations. The corresponding security proofs usually assume that …

The security of measurement device-independent quantum key distribution (MDI QKD) relies
on a thorough characterization of one's optical source output, especially any noise in the …

Quantum key distribution (QKD) offers a theoretically secure method to share secret keys,
yet practical implementations face challenges due to noise and loss over long-distance …

Measurement-device-independent quantum key distribution (MDI-QKD) can remove all
detection side channels but still makes additional assumptions on sources that can be …

There is a large gap between theory and practice in quantum key distribution (QKD)
because real devices do not satisfy the assumptions required by the security proofs. Here …

Quantum Key Distribution (QKD) is a promising technology for secure communication.
Nevertheless, QKD is still treated with caution in certain contexts due to potential gaps …

In theory, quantum key distribution (QKD) allows secure communications between two
parties based on physical laws. However, most of the security proofs of QKD today make …

Quantum key distribution (QKD) can theoretically achieve the Holy Grail of cryptography,
information-theoretic security against eavesdropping. However, in practice, discrepancies …

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