| Linear Optical Realization of Qubit Purification with Quantum Amplitude Damping Channel |
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| 引用本文： | 林青 李剑 郭光灿. Linear Optical Realization of Qubit Purification with Quantum Amplitude Damping Channel[J]. 中国物理快报, 2007, 24(7): 1809-1312 |
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| 作者姓名： | 林青 李剑 郭光灿 |
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| 作者单位： | Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026 |
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| 基金项目： | Supported by the National Basic Research Programme of China, the National Natural Science Foundation of China under Grant No 60121503, the Innovation Funds from Chinese Academy Sciences. |
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| 摘 要： |
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| 关 键 词： | 线性光学 量子 振幅 阻尼渠道 |
| 收稿时间： | 2007-03-09 |
| 修稿时间： | 2007-03-09 |
Linear Optical Realization of Qubit Purification with Quantum Amplitude Damping Channel |
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| LIN Qing,LI Jian,GUO Guang-Can. Linear Optical Realization of Qubit Purification with Quantum Amplitude Damping Channel[J]. Chinese Physics Letters, 2007, 24(7): 1809-1312 |
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| Authors: | LIN Qing LI Jian GUO Guang-Can |
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| Affiliation: | Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026 |
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| Abstract: | We provide an experimental scheme which includes the realizatlon of quantum amplitude damping channel and the optimal two-qubit purification. Moreover, we discuss the purification of arbitrary input qubits and arbitrary N qubits. Our scheme only uses linear optical elements and the proposal may be useful in transmission of photons in fibres. This scheme is feasible in the laboratory with the current experimental technology. |
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| Keywords: | 03.67.Pp 03.65.Ta 42.50.Dv |
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