— In this work we present the principles and experimental demonstration of a BB84 Quantum Key Distribution (QKD) one way system using fainted pulses and a Quadrature Phase-Shift-...
Qing Xu 0006, M. B. C. Silva, Jean-Luc Danger, Syl...
Quantum key distribution is the best known application of quantum cryptography. Previously proposed proofs of security of quantum key distribution contain various technical subtle...
Abstract. We give the first exponential separation between quantum and bounded-error randomized one-way communication complexity. Specifically, we define the Hidden Matching Proble...
We revisit the problem of conveying classical messages by transmitting quantum states, and derive new, optimal bounds on the number of quantum bits required for this task. Much of...