A quantum identification scheme based on polarization modulation
He Guang-Qiang (何广强), Zeng Gui-Hua (曾贵华)
The State Key Laboratory on Fibre-Optic Local Area Networks and Advanced Optical Communication Systems, Electronic Engineering Department, Shanghai Jiaotong University, Shanghai 200030, China
Abstract A quantum identification scheme including registration and identification phases is proposed. The users' passwords are transmitted by qubit string and recorded as a set of quantum operators. The security of the proposed scheme is guaranteed by the no-cloning theorem. Based on photon polarization modulation, an experimental approach is also designed to implement our proposed scheme.
Received: 21 June 2004
Revised: 27 July 2004
Accepted manuscript online:
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