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作者:Meiyu Wang , Fengli Yan , Ting Gao
来源:[J].Quantum Information Processing(IF 1.748), 2017, Vol.16 (8)Springer
摘要:We present a new scheme to provide an arbitrary four-photon polarization-entangled state, which enables the encoding of single logical qubit information into a four-qubit decoherence-free subspace robustly against collective decoherence. With the assistance of the cross-Kerr nonl...
作者:Changho Hong , Jino Heo , Min-Sung Kang ...
来源:[J].Quantum Information Processing(IF 1.748), 2019, Vol.18 (7), pp.1-23Springer
摘要:Abstract(#br)We propose an optical scheme to encode quantum information into three-photon decoherence-free states (single logical qubit information) and thereby acquire immunity from collective decoherence. Our scheme consists of quantum dots (QDs) within single-sided optical cav...
作者:You-Sheng Zhou , Xian Li , Yun Deng ...
来源:[J].Optics Communications(IF 1.438), 2016, Vol.366, pp.397-403Elsevier
摘要:Abstract(#br)We propose three effective protocols to generate four-qubit entangled decoherence-free states assisted by the cavity-QED system. These schemes are based on optical selection rules realized with a single electron charged self-assembled GaAs/InAs quantum dot in a micro...
作者:Li Dong , Yan-Fang Lin , Qing-Yang Li ...
来源:[J].Annals of Physics(IF 3.318), 2016, Vol.371, pp.287-295Elsevier
摘要:Abstract(#br)We present a generation proposal of three-photon polarization-entangled decoherence-free states, which are immune to the collective decoherence. Based on weak cross-Kerr nonlinearities, the polarization and spacial entanglement gates are realized, and thus three-ph...
作者:Chao Chen
来源:[J].International Journal of Theoretical Physics(IF 1.086), 2016, Vol.55 (11), pp.4841-4851Springer
摘要:Abstract(#br)We propose an efficient preparation of photonic four-qubit entangled decoherence-free states assisted by the cavity-QED system. By using the optical selection rule derived by a single electron charged self-assembled GaAs/InAs quantum dot in a micropillar resonator, t...
作者:Qi-Cheng Wu , Yuan Wang , Xin Ji
来源:[J].Quantum Information Processing(IF 1.748), 2013, Vol.12 (6), pp.2121-2130Springer
摘要:Abstract(#br)We propose two schemes to generate three-qubit decoherence-free state for atoms trapped in a cavity via quantum Zeno dynamics. The influence of various decoherence processes such as spontaneous emission and photon loss on the fidelity of the entangled state is invest...
作者:YuGuang Yang , ZhiChao Liu , XiuBo Chen ...
来源:[J].Science China Physics, Mechanics & Astronomy(IF 1.169), 2017, Vol.60 (12)Springer
摘要:... We propose a new, robust QPQ protocol based on four-qubit decoherence-free (DF) states. In contrast to existing QPQ protocols against channel noise, only an alternative fixed sequence of single-qubit measurements is needed by the user (Alice) to measure the received DF states...
作者:Yan Xia , Jie Song , Pei-Min Lu ...
来源:[J].Journal of Modern Optics(IF 1.163), 2009, Vol.56 (14), pp.1545-1549Taylor & Francis
摘要:We propose a protocol to generate four-atom entangled decoherence-free states trapped in distant cavities by using the interference of polarized photons. The protocol uses the effects of quantum statistics of indistinguishable photons emitted by the atoms inside optical cavities....
作者:Tian-Yin Wang , Qiao-Yan Wen , Fu-Chen Zhu
来源:[J].Optics Communications(IF 1.438), 2009, Vol.282 (16), pp.3382-3385Elsevier
摘要:Abstract(#br)We present an efficient scheme for secure authentication of classical messages with decoherence-free states and hash functions. We also analyze the security of this scheme and show it is not possible to forge valid message authentication codes. In addition, the lengt...
作者:Tian-Yin Wang , Shu-Yu Wang , Jian-Feng Ma
来源:[J].International Journal of Theoretical Physics(IF 1.086), 2016, Vol.55 (7), pp.3309-3317Springer
摘要:Abstract(#br)We propose a new quantum private query protocol with the technique of decoherence-free states, which is a theoretical study of how decoherence-free states can be used for the protection of quantum information in such a protocol. This protocol can solve the noise prob...

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