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把一个任意量子态在既有噪声又有窃听的信道下安全可靠地传输, 是一个广泛而重要的问题. 现在已有的方法是先传输大量的Einstein- Podolsky- Rosen (EPR)纠缠对, 然后进行纠缠纯化, 获得一对近似完美的纠缠对, 再进行隐形传态或者远程态制备来传输量子态. 本文给出一种直接安全传输量子态的方法, 通过使用量子直接通信, 安全地传输大量同样的任意量子态, 然后利用单量子态的纯化方法, 得到一个近于完美的量子态. 这是一种不需要量子纠缠的量子态安全传输方法, 避免使用纠缠资源. 这种方案是量子隐形传态和远程态制备之外的又一途径. 此外, 这一方案将原来只是用来传输经典信息的量子安全直接通信扩展到传输任意量子态的新领域, 扩大了量子直接通信的用途. 这一方案将在未来量子互联网中有重要的应用.Quantum state that carries classical information, 0 or 1, can be safely and reliably transmitted using quantum secure direct communication. How to transmit an arbitrary quantum state is a wider issue and has important applications. One way is to use quantum teleportation, namely, first distribute a large number of Einstein-Podolsky-Rosen pairs, and then perform entanglement purification to obtain a near-perfect pair, and make quantum teleportation using the pair. In this article, we propose a method that directly port the quantum state with security and reliability using quantum secure direct communication. After sufficient number of copies of the same state have been directly ported, single-particle purification is performed to obtain a near perfect single particle state. This is important because it offers a new method for sending an arbitrary single particle state securely and reliably without using quantum teleportation. It is also an important extension of quantum secure direct communication to send an arbitrary quantum state. Quantum direct portation will have great potential in quantum internet.
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Keywords:
- quantum direct portation /
- quantum secure direct communication /
- quantum secure direct state transportation /
- single qubit purification
[1] Bennett C H, Brassard G 1984 Proceedings of the IEEE International Conference on Computers, Systems & Signal Processing Bangalore, India, December 10–12, 1984 p175
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[3] 谷文苑, 赵尚弘, 东晨, 王星宇, 杨鼎 2019 68 240301Google Scholar
Gu W Y, Zhao S H, Dong C, Wang X Y, Yang D 2019 Acta Phys. Sin. 68 240301Google Scholar
[4] 谷文苑, 赵尚弘, 东晨, 朱卓丹, 屈亚运 2019 68 090302Google Scholar
Gu W Y, Zhao S H, Dong C, Zhu Z D, Qu Y Y 2019 Acta Phys. Sin. 68 090302Google Scholar
[5] 杨璐, 马鸿洋, 郑超, 丁晓兰, 高健存, 龙桂鲁 2017 66 230303Google Scholar
Yang L, Ma H Y, Zheng C, Ding X L, Gao J C, Long G L 2017 Acta Phys. Sin. 66 230303Google Scholar
[6] Wilkinson K N, Papanastasiou P, Ottaviani C, Gehring T, Pirandola1 S 2020 Phys. Rev. Res. 2 033424Google Scholar
[7] Valivarthi R, Etheverry S, Aldama J, Zwiehoff F, Pruneri V 2020 Opt. Express 28 14547Google Scholar
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[9] 杜聪, 王金东, 秦晓娟, 魏正军, 於亚飞, 张智明 2020 69 190301Google Scholar
Du C, Wang J D, Qin X J, Wei Z J, Yu Y F, Zhang Z M 2020 Acta Phys. Sin. 69 190301Google Scholar
[10] 叶炜, 郭迎, 夏莹, 钟海, 张欢, 丁建枝, 胡利云 2020 69 060301Google Scholar
Ye W, Guo Y, Xia Y, Zhong H, Zhang H, Ding J Z, Hu L Y 2020 Acta Phys. Sin. 69 060301Google Scholar
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[16] 王天银, 秦素娟, 温巧燕, 朱甫臣 2008 57 7452Google Scholar
Wang T Y, Qin S J, Wen Q Y, Zhu F C 2008 Acta Phys. Sin. 57 7452Google Scholar
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Cao Z W, Zhao G, Zhang S H, Feng X Y, Peng J Y 2016 Acta Phys. Sin. 65 230301Google Scholar
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[21] 刘志昊, 陈汉武 2017 66 130304Google Scholar
Liu Z H, Chen H W 2017 Acta Phys. Sin. 66 130304Google Scholar
[22] 郑晓毅, 龙银香 2017 66 180303Google Scholar
Zheng X Y, Long Y X 2017 Acta Phys. Sin. 66 180303Google Scholar
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[26] Pan D, Lin Z S, Wu J W, Zhang H R, Sun Z, Ruan D, Yin L G, Long G L 2020 Photonics Res. 8 1522Google Scholar
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[28] Li T, Long G L 2020 New J. Phys. 22 063017Google Scholar
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[32] Bergmann K, Theuer H, Shore B W 1998 Rev. Mod. Phys. 70 1003Google Scholar
[33] Vitanov N V, Halfmann T, Shore B W, Bergmann K 2001 Annu. Rev. Phys. Chem. 52 763Google Scholar
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Song K H 2005 Acta Phys. Sin. 54 4730Google Scholar
[35] 向少华, 宋克慧 2005 54 1190Google Scholar
Xiang S H, Song K H 2005 Acta Phys. Sin. 54 1190Google Scholar
[36] 杨雄, 童朝阳, 匡乐满 2008 57 1689Google Scholar
Yang X, Tong Z Y, Kuang L M 2008 Acta Phys. Sin. 57 1689Google Scholar
[37] Tian L 2012 Phys. Rev. Lett. 108 153604Google Scholar
[38] Wang Y D, Clerk A A 2012 Phys. Rev. Lett. 108 153603Google Scholar
[39] 王勇, 张好, 陈杰, 王丽梅, 张临杰, 李昌勇, 赵建明, 贾锁堂 2013 62 093201Google Scholar
Wang Y, Zhang H, Chen J, Wang L M, Zhang L J, Li C Y, Zhao J M, Jia S T 2013 Acta Phys. Sin. 62 093201Google Scholar
[40] Chen Y H, Xia Y, Chen Q Q, Song J 2014 Phys. Rev. A 89 033856Google Scholar
[41] Lei F C, Gao M, Du C G, Ling J Q, Long G L 2015 Opt. Express 23 11509
[42] Baksic A, Ribeiro H, Clerk A A 2016 Phys. Rev. Lett. 116 230503Google Scholar
[43] Xu X S, Zhang H, Kong X Y, Wang M, Long G L 2020 Photonics Res. 8 490Google Scholar
[44] Hu X M, Zhang C, Zhang C J, Liu B H, Huang Y F, Han Y J, Li C F, Guo G C 2019 Quantum Eng. 1 e13
[45] Mastriani M, Iyengar S S 2020 Quantum Eng. 2 e55
[46] Do H, Malaney R, Green J 2021 Quantum Eng. 3 e60
[47] Zhou P, Lv L, He L M 2021 Quantum Eng. 3 e64
[48] Wang T J, Yang G Q, Wang C 2020 Phys. Rev. A 101 012323Google Scholar
[49] Cirac J I, Ekert A K, Huelga S F, Macchiavello C 1999 Phys. Rev. A 59 4249Google Scholar
[50] Lim Y L, Beige A, Kwek L C 2005 Phys. Rev. Lett. 95 030505Google Scholar
[51] Serafini A, Mancini S, Bose S 2006 Phys. Rev. Lett. 96 010503Google Scholar
[52] Jiang L, Taylor J M, Sørensen A S, Lukin M D 2007 Phys. Rev. A 76 062323Google Scholar
[53] Feng X L, Qian J, Kwek L C, Oh C H 2008 Phys. Rev. A 78 012354Google Scholar
[54] van Meter R, Ladd T D, Fowler A G, Yamamoto Y 2010 Int. J. Quantum Inf. 8 295Google Scholar
[55] Matsuzaki Y, Benjamin S C, Fitzsimons J 2010 Phys. Rev. A 82 010302Google Scholar
[56] Wu C, Fang M F, Xiao X, Li Y L, Cao S 2011 Chin. Phys. B 20 020305Google Scholar
[57] Li Y, Benjamin S C 2012 New J. Phys. 14 093008Google Scholar
[58] Sheng Y B, Zhou L 2017 Sci. Bull. 62 1025Google Scholar
[59] Hua M, Tao M J, Alsaedi A, Hayat T, Deng F G 2018 Ann. Phys. (Berlin) 530 1700402Google Scholar
[60] Briegel H J, Dür W, Cirac J I, Zoller P 1998 Phys. Rev. Lett. 81 5932Google Scholar
[61] Bennett C H, Brassard G, Crepeau C, Jozsa R, Peres A, Wootters W K 1993 Phys. Rev. Lett. 70 1895Google Scholar
[62] 郭弘, 李政宇, 彭翔 2016 量子密码(北京: 国防工业出版社) 第539页
Guo H, Li Z Y, Peng X 2016 Quantum Cryptography (Beijing: National Defense Industry Press) p539 (in Chinese)
[63] Bennett C H, Brassard G, Popescu S, Schumacher B, Smolin J A, Wootters W K 1996 Phys. Rev. Lett. 76 722Google Scholar
[64] Lo H K 2000 Phys. Rev. A 62 012313Google Scholar
[65] Pati A K 2020 Phys. Rev. A 63 014302
[66] Bennett C H, DiVincenzo D P, Shor P W, Smolin J A, Terhal B M, Wootters W K 2001 Phys. Rev. Lett. 87 077902Google Scholar
[67] Cirac J I, Ekert A K, Macchiavello C 1999 Phys. Rev. Lett. 82 4344Google Scholar
[68] Ricci M, De Martini F, Cerf N J, Filip R, Fiurášek J, Macchiavello C 2004 Phys. Rev. Lett. 93 170501Google Scholar
[69] Hou S Y, Sheng Y B, Feng G R, Long G L 2014 Sci. Rep. 4 6857
[70] Han C, Zhou Z W, Guo G C 2006 J. Phys. B:At. Mol. Opt. Phys. 39 1677Google Scholar
[71] 邓富国, 李熙涵, 李涛 2018 67 130301Google Scholar
Deng F G, Li X H, Li T 2018 Acta Phys. Sin. 67 130301Google Scholar
[72] 孙越 2013 量子光学学报 19 122
Sun Y 2013 Acta Sin. Quantum Opt. 19 122
[73] Sheng Y B, Zhou L 2018 Phys. Rev. A 98 052343Google Scholar
[74] Qin W, Wang C, Cao Y, Long G L 2014 Phys. Rev. A 89 062314Google Scholar
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表 1
$ {\boldsymbol{U}}_{\varphi } $ 操作前后序列B中的单光子态(传输任意已知单比特量子态)Table 1. Single photon states in sequence B before and after
$ {\boldsymbol{U}}_{\varphi } $ operation in the case of transmitting arbitrary known single qubit.$ {\boldsymbol{U}}_{\varphi } $操作前 $ {\boldsymbol{U}}_{\varphi } $操作后 $|0 \rangle$ $ a|0 \rangle +b|1 \rangle $ $ |1 \rangle $ $ -{b}^{*}\left|0 \rangle +a\right|1 \rangle $ $ |+ \rangle $ $({1}/{\sqrt{2} })[\left(a-{b}^{*}\right)\left|0 \rangle +\left(a+b\right)\right|1 \rangle ]$ $ |- \rangle $ $({1}/{\sqrt{2} })[\left(a+{b}^{*}\right)\left|0 \rangle +\left(b-a\right)\right|1 \rangle ]$ 表 2
$ {\boldsymbol{U}}_{\varphi } $ 操作前后序列B中的单光子态和Bob采用的操作(传输赤道态)Table 2. Single photon states in sequence B before and after
$ {\boldsymbol{U}}_{\varphi } $ operation in the case of transmitting equatorial state & Bob’s related operations.$ {\boldsymbol{U}}_{\varphi } $操作前 $ {\boldsymbol{U}}_{\varphi } $操作后 Bob采用的操作 $ |0 \rangle $ $ |0 \rangle $ 舍弃 $ |1 \rangle $ $ {{\rm{e}}}^{{\rm{i}}\phi }|1 \rangle $ 舍弃 $ |+ \rangle $ $({1}/{\sqrt{2} })\left(\right|0 \rangle +{ {\rm{e} } }^{ {\rm{i} }\phi }|1 \rangle )$ I $ |- \rangle $ $({1}/{\sqrt{2} })\left(\right|0 \rangle -{ {\rm{e} } }^{ {\rm{i} }\phi }\left|1 \rangle \right)$ Z 表 3
$ {\boldsymbol{U}}_{\varphi } $ 操作前后序列B中的单光子态和Bob采用的操作(传输实系数态)Table 3. Single photon states in sequence B before and after
$ {\boldsymbol{U}}_{\varphi } $ operation in the case of transmitting real-coefficient state & Bob’s related operations.$ {\boldsymbol{U}}_{\varphi } $操作前 $ {\boldsymbol{U}}_{\varphi } $操作后 Bob采用的操作 $ |0 \rangle $ $ a|0 \rangle +b|1 \rangle $ I $ |1 \rangle $ $ -b|0 \rangle +a|1 \rangle $ Y $ |+ \rangle $ $({1}/{\sqrt{2} })[\left(a-b\right)\left|0 \rangle +\left(a+b\right)\right|1 \rangle ]$ $ ZH $ $ |- \rangle $ $({1}/{\sqrt{2} })[\left(a+b\right)\left|0 \rangle +\left(b-a\right)\right|1 \rangle ]$ $ XH $ -
[1] Bennett C H, Brassard G 1984 Proceedings of the IEEE International Conference on Computers, Systems & Signal Processing Bangalore, India, December 10–12, 1984 p175
[2] Zhang G, Haw J Y, Cai H, Xu F, Assad S M, Fitzsimons J F, Zhou X, Zhang Y, Yu S, Wu J, Ser W, Kwek L C, Liu A Q 2019 Nat. Photonics 13 839Google Scholar
[3] 谷文苑, 赵尚弘, 东晨, 王星宇, 杨鼎 2019 68 240301Google Scholar
Gu W Y, Zhao S H, Dong C, Wang X Y, Yang D 2019 Acta Phys. Sin. 68 240301Google Scholar
[4] 谷文苑, 赵尚弘, 东晨, 朱卓丹, 屈亚运 2019 68 090302Google Scholar
Gu W Y, Zhao S H, Dong C, Zhu Z D, Qu Y Y 2019 Acta Phys. Sin. 68 090302Google Scholar
[5] 杨璐, 马鸿洋, 郑超, 丁晓兰, 高健存, 龙桂鲁 2017 66 230303Google Scholar
Yang L, Ma H Y, Zheng C, Ding X L, Gao J C, Long G L 2017 Acta Phys. Sin. 66 230303Google Scholar
[6] Wilkinson K N, Papanastasiou P, Ottaviani C, Gehring T, Pirandola1 S 2020 Phys. Rev. Res. 2 033424Google Scholar
[7] Valivarthi R, Etheverry S, Aldama J, Zwiehoff F, Pruneri V 2020 Opt. Express 28 14547Google Scholar
[8] Eriksson T A, Luís R S, Puttnam B J, Rademacher G, Fujiwara M, Awaji Y, Furukawa H, Wada N, Takeoka M, Sasaki M 2020 J. Lightwave Technol. 38 2214Google Scholar
[9] 杜聪, 王金东, 秦晓娟, 魏正军, 於亚飞, 张智明 2020 69 190301Google Scholar
Du C, Wang J D, Qin X J, Wei Z J, Yu Y F, Zhang Z M 2020 Acta Phys. Sin. 69 190301Google Scholar
[10] 叶炜, 郭迎, 夏莹, 钟海, 张欢, 丁建枝, 胡利云 2020 69 060301Google Scholar
Ye W, Guo Y, Xia Y, Zhong H, Zhang H, Ding J Z, Hu L Y 2020 Acta Phys. Sin. 69 060301Google Scholar
[11] Long G L, Liu X S 2002 Phys. Rev. A 65 032302Google Scholar
[12] Deng F G, Long G L, Liu X S 2003 Phys. Rev. A 68 042317Google Scholar
[13] Deng F G, Long G L 2004 Phys. Rev. A 69 052319Google Scholar
[14] Wang C, Deng F G, Li Y S, Liu X S, Long G L 2005 Phys. Rev. A 71 044305Google Scholar
[15] 王剑, 陈皇卿, 张权, 唐朝京 2007 56 673Google Scholar
Wang J, Chen H Q, Zhang Q, Tang C J 2007 Acta Phys. Sin. 56 673Google Scholar
[16] 王天银, 秦素娟, 温巧燕, 朱甫臣 2008 57 7452Google Scholar
Wang T Y, Qin S J, Wen Q Y, Zhu F C 2008 Acta Phys. Sin. 57 7452Google Scholar
[17] Hu J Y, Yu B, Jing M Y, Xiao L T, Jia S T, Qin G Q, Long G L 2016 Light Sci. Appl. 5 e16144Google Scholar
[18] 曹正文, 赵光, 张爽浩, 冯晓毅, 彭进业 2016 65 230301Google Scholar
Cao Z W, Zhao G, Zhang S H, Feng X Y, Peng J Y 2016 Acta Phys. Sin. 65 230301Google Scholar
[19] Zhu F, Zhang W, Sheng Y B, Huang Y D 2017 Sci. Bull. 62 1519Google Scholar
[20] Zhang W, Ding D S, Sheng Y B, Zhou L, Shi B S, Guo G C 2017 Phys. Rev. Lett. 118 220501Google Scholar
[21] 刘志昊, 陈汉武 2017 66 130304Google Scholar
Liu Z H, Chen H W 2017 Acta Phys. Sin. 66 130304Google Scholar
[22] 郑晓毅, 龙银香 2017 66 180303Google Scholar
Zheng X Y, Long Y X 2017 Acta Phys. Sin. 66 180303Google Scholar
[23] Qi R Y, Sun Z, Lin Z S, Niu P H, Hao W T, Song L Y, Huang Q, Gao J C, Yin L G, Long G L 2019 Light Sci. Appl. 8 22Google Scholar
[24] Wang C 2021 Fundamental Research 1 91Google Scholar
[25] Wu J W, Lin Z S, Yin L G, Long G L 2019 Quantum Eng. 1 e26
[26] Pan D, Lin Z S, Wu J W, Zhang H R, Sun Z, Ruan D, Yin L G, Long G L 2020 Photonics Res. 8 1522Google Scholar
[27] Zhou Z R, Sheng Y B, Niu P H, Yin L G, Long G L, Hanzo L 2020 Sci. China-Phys. Mech. Astron. 63 230362Google Scholar
[28] Li T, Long G L 2020 New J. Phys. 22 063017Google Scholar
[29] Yang L, Wu J W, Lin Z S, Yin L G, Long G L 2020 Sci. China-Phys. Mech. Astron. 63 110311Google Scholar
[30] Niu P H, Wu J W, Yin L G, Long G L 2020 Quantum Inf. Process. 19 356Google Scholar
[31] Sun Z, Song L Y, Huang Q, Yin L G, Long G L, Lu J H, Hanzo L 2020 IEEE Trans. Commun. 68 5778Google Scholar
[32] Bergmann K, Theuer H, Shore B W 1998 Rev. Mod. Phys. 70 1003Google Scholar
[33] Vitanov N V, Halfmann T, Shore B W, Bergmann K 2001 Annu. Rev. Phys. Chem. 52 763Google Scholar
[34] 宋克慧 2005 54 4730Google Scholar
Song K H 2005 Acta Phys. Sin. 54 4730Google Scholar
[35] 向少华, 宋克慧 2005 54 1190Google Scholar
Xiang S H, Song K H 2005 Acta Phys. Sin. 54 1190Google Scholar
[36] 杨雄, 童朝阳, 匡乐满 2008 57 1689Google Scholar
Yang X, Tong Z Y, Kuang L M 2008 Acta Phys. Sin. 57 1689Google Scholar
[37] Tian L 2012 Phys. Rev. Lett. 108 153604Google Scholar
[38] Wang Y D, Clerk A A 2012 Phys. Rev. Lett. 108 153603Google Scholar
[39] 王勇, 张好, 陈杰, 王丽梅, 张临杰, 李昌勇, 赵建明, 贾锁堂 2013 62 093201Google Scholar
Wang Y, Zhang H, Chen J, Wang L M, Zhang L J, Li C Y, Zhao J M, Jia S T 2013 Acta Phys. Sin. 62 093201Google Scholar
[40] Chen Y H, Xia Y, Chen Q Q, Song J 2014 Phys. Rev. A 89 033856Google Scholar
[41] Lei F C, Gao M, Du C G, Ling J Q, Long G L 2015 Opt. Express 23 11509
[42] Baksic A, Ribeiro H, Clerk A A 2016 Phys. Rev. Lett. 116 230503Google Scholar
[43] Xu X S, Zhang H, Kong X Y, Wang M, Long G L 2020 Photonics Res. 8 490Google Scholar
[44] Hu X M, Zhang C, Zhang C J, Liu B H, Huang Y F, Han Y J, Li C F, Guo G C 2019 Quantum Eng. 1 e13
[45] Mastriani M, Iyengar S S 2020 Quantum Eng. 2 e55
[46] Do H, Malaney R, Green J 2021 Quantum Eng. 3 e60
[47] Zhou P, Lv L, He L M 2021 Quantum Eng. 3 e64
[48] Wang T J, Yang G Q, Wang C 2020 Phys. Rev. A 101 012323Google Scholar
[49] Cirac J I, Ekert A K, Huelga S F, Macchiavello C 1999 Phys. Rev. A 59 4249Google Scholar
[50] Lim Y L, Beige A, Kwek L C 2005 Phys. Rev. Lett. 95 030505Google Scholar
[51] Serafini A, Mancini S, Bose S 2006 Phys. Rev. Lett. 96 010503Google Scholar
[52] Jiang L, Taylor J M, Sørensen A S, Lukin M D 2007 Phys. Rev. A 76 062323Google Scholar
[53] Feng X L, Qian J, Kwek L C, Oh C H 2008 Phys. Rev. A 78 012354Google Scholar
[54] van Meter R, Ladd T D, Fowler A G, Yamamoto Y 2010 Int. J. Quantum Inf. 8 295Google Scholar
[55] Matsuzaki Y, Benjamin S C, Fitzsimons J 2010 Phys. Rev. A 82 010302Google Scholar
[56] Wu C, Fang M F, Xiao X, Li Y L, Cao S 2011 Chin. Phys. B 20 020305Google Scholar
[57] Li Y, Benjamin S C 2012 New J. Phys. 14 093008Google Scholar
[58] Sheng Y B, Zhou L 2017 Sci. Bull. 62 1025Google Scholar
[59] Hua M, Tao M J, Alsaedi A, Hayat T, Deng F G 2018 Ann. Phys. (Berlin) 530 1700402Google Scholar
[60] Briegel H J, Dür W, Cirac J I, Zoller P 1998 Phys. Rev. Lett. 81 5932Google Scholar
[61] Bennett C H, Brassard G, Crepeau C, Jozsa R, Peres A, Wootters W K 1993 Phys. Rev. Lett. 70 1895Google Scholar
[62] 郭弘, 李政宇, 彭翔 2016 量子密码(北京: 国防工业出版社) 第539页
Guo H, Li Z Y, Peng X 2016 Quantum Cryptography (Beijing: National Defense Industry Press) p539 (in Chinese)
[63] Bennett C H, Brassard G, Popescu S, Schumacher B, Smolin J A, Wootters W K 1996 Phys. Rev. Lett. 76 722Google Scholar
[64] Lo H K 2000 Phys. Rev. A 62 012313Google Scholar
[65] Pati A K 2020 Phys. Rev. A 63 014302
[66] Bennett C H, DiVincenzo D P, Shor P W, Smolin J A, Terhal B M, Wootters W K 2001 Phys. Rev. Lett. 87 077902Google Scholar
[67] Cirac J I, Ekert A K, Macchiavello C 1999 Phys. Rev. Lett. 82 4344Google Scholar
[68] Ricci M, De Martini F, Cerf N J, Filip R, Fiurášek J, Macchiavello C 2004 Phys. Rev. Lett. 93 170501Google Scholar
[69] Hou S Y, Sheng Y B, Feng G R, Long G L 2014 Sci. Rep. 4 6857
[70] Han C, Zhou Z W, Guo G C 2006 J. Phys. B:At. Mol. Opt. Phys. 39 1677Google Scholar
[71] 邓富国, 李熙涵, 李涛 2018 67 130301Google Scholar
Deng F G, Li X H, Li T 2018 Acta Phys. Sin. 67 130301Google Scholar
[72] 孙越 2013 量子光学学报 19 122
Sun Y 2013 Acta Sin. Quantum Opt. 19 122
[73] Sheng Y B, Zhou L 2018 Phys. Rev. A 98 052343Google Scholar
[74] Qin W, Wang C, Cao Y, Long G L 2014 Phys. Rev. A 89 062314Google Scholar
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