Quantum Cryptography Protocols Robust against Photon Number Splitting Attacks for Weak Laser Pulse Implementations

2002/11/30 by Valerio Scarani, Antonio Acín, Antonio Acin +3 · 5 citations
Computer Science · Physics and Astronomy · #Quantum Information and Cryptography #Quantum Mechanics and Applications #Quantum optics and atomic interactions #quant-ph

paper · pdf · doi:10.1103/physrevlett.92.057901

published as Phys. Rev. Lett. 92, 057901 (2004) · 4 pages, 2 figures

openalex publication_date 2004/02/06 · arxiv created 2004/02/09 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/04

Abstract

We introduce a new class of quantum key distribution protocols, tailored to be robust against photon number splitting (PNS) attacks. We study one of these protocols, which differs from the original protocol by Bennett and Brassard (BB84) only in the classical sifting procedure. This protocol is provably better than BB84 against PNS attacks at zero error.

Citations

• Quantum Key Distribution with High Loss: Toward Global Secure Communication
• Quantum Theory: Concepts and Methods

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