Quantum cryptography based on qutrit Bell inequalities

Kaszlikowski, D and Oi, D K L and Christandl, M and Chang, K and Ekert, A and Kwek, L C and Oh, C H (2003) Quantum cryptography based on qutrit Bell inequalities. Physical Review A, 67 (1). -. ISSN 1094-1622

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    Abstract

    We present a cryptographic protocol based upon entangled qutrit pairs. We analyze the scheme under a symmetric incoherent attack and plot the region for which the protocol is secure and compare this with the region of violations of certain Bell inequalities.