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quant-ph2001★ 1.4k cited
Security of quantum key distribution using d-level systems
Nicolas J. Cerf, Mohamed Bourennane, Anders Karlsson +1
We consider two quantum cryptographic schemes relying on encoding the key into qudits, i.e. quantum states in a d-dimensional Hilbert space. The first cryptosystem uses two mutuall…
quant-ph2001★ 64 cited
Quantum Key Distribution using Multilevel Encoding: Security Analysis
Mohamed Bourennane, Anders Karlsson, Gunnar Bjork +2
We present security proofs for a protocol for Quantum Key Distribution (QKD) based on encoding in finite high-dimensional Hilbert spaces. This protocol is an extension of Bennett's…