Quantum gate identification: Error analysis, numerical results and optical experiment
文献类型：期刊论文
| 作者 | Wang, Yuanlong1,2; Yin, Qi3,4; Dong, Daoyi1; Qi, Bo5,6 ; Petersen, Ian R.7; Hou, Zhibo3,4; Yonezawa, Hidehiro1,2; Xiang, Guo-Yong3,4
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| 刊名 | AUTOMATICA
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| 出版日期 | 2019-03-01 |
| 卷号 | 101页码:269-279 |
| 关键词 | Quantum system Quantum tomography Quantum gate identification Computational complexity |
| ISSN号 | 0005-1098 |
| DOI | 10.1016/j.automatica.2018.12.011 |
| 英文摘要 | The identification of an unknown quantum gate is a significant issue in quantum technology. In this paper, we propose a quantum gate identification method within the framework of quantum process tomography. In this method, a series of pure states are applied to the gate and then a fast state tomography on the output states is performed and the data are used to reconstruct the quantum gate. The algorithm has computational complexity O(d(3)) with the system dimension d. The identification approach is compared with the maximum likelihood estimation method for the running time, which shows an efficiency advantage of our method. An error upper bound is established for the identification algorithm and the robustness of the algorithm against impurities in the input states is also tested. We perform a quantum optical experiment on a single-qubit Hadamard gate to verify the effectiveness of the identification algorithm. (C) 2018 Elsevier Ltd. All rights reserved. |
| 资助项目 | Australian Research Council[DP190101566] ; Australian Research Council[FL110100020] ; AFOSR[FA2386-16-1-4065] ; Centres of Excellence[CE110001027] ; National Natural Science Foundation of China[61773370] ; National Natural Science Foundation of China[61828303] ; National Natural Science Foundation of China[61833010] ; National Natural Science Foundation of China[11574291] ; National Natural Science Foundation of China[11774334] ; National Natural Science Foundation of China[11688101] |
| WOS研究方向 | Automation & Control Systems ; Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000458941700031 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 源URL | [http://ir.amss.ac.cn/handle/2S8OKBNM/32696]  |
| 专题 | 系统科学研究所 |
| 通讯作者 | Dong, Daoyi |
| 作者单位 | 1.Univ New South Wales, Sch Engn & Informat Technol, Canberra, ACT 2600, Australia 2.Australian Res Council, Ctr Quantum Computat & Commun Technol, Canberra, ACT 2600, Australia 3.Univ Sci & Technol China, CAS, Key Lab Quantum Informat, Hefei 230026, Anhui, Peoples R China 4.Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China 5.Acad Math & Syst Sci, CAS, Key Lab Syst & Control, Beijing 100190, Peoples R China 6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 7.Australian Natl Univ, Res Sch Engn, Canberra, ACT 0200, Australia |
| 推荐引用方式 GB/T 7714 | Wang, Yuanlong,Yin, Qi,Dong, Daoyi,et al. Quantum gate identification: Error analysis, numerical results and optical experiment[J]. AUTOMATICA,2019,101:269-279. |
| APA | Wang, Yuanlong.,Yin, Qi.,Dong, Daoyi.,Qi, Bo.,Petersen, Ian R..,...&Xiang, Guo-Yong.(2019).Quantum gate identification: Error analysis, numerical results and optical experiment.AUTOMATICA,101,269-279. |
| MLA | Wang, Yuanlong,et al."Quantum gate identification: Error analysis, numerical results and optical experiment".AUTOMATICA 101(2019):269-279. |
入库方式： OAI收割
来源：数学与系统科学研究院
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