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Multi-hop entanglement swapping in quantum networks based on polization-space hyperentanglement

Yang Guang Liu Qi Nie Min Liu Yuan-Hua Zhang Mei-Ling

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Multi-hop entanglement swapping in quantum networks based on polization-space hyperentanglement

Yang Guang, Liu Qi, Nie Min, Liu Yuan-Hua, Zhang Mei-Ling
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  • Entanglement swapping (ES) based multi-hop quantum information transmission is a fundamental way to realize long-distance quantum communication. However, in the conventional quantum networks, the entanglement in one degree of freedom (DOF) of photon system is usually used as a quantum channel, showing disadvantages of low capacity and susceptibility to noise. In this paper, we present an efficient multi-hop quantum hyperentanglement swapping (HES) method based on hyperentanglement, which utilizes the entangled photos in polarization and spatial-mode DOFs to establish the hyperentangled multi-hop quantum channel. Taking long-distance hyperentanglement based quantum teleportation for example, we first describe a basic hop by hop HES scheme. Then, in order to reduce the end-to-end delay of this scheme, we propose a simultaneous HES (SHES) scheme, in which the intermediate quantum nodes perform hyperentangled Bell state measurements concurrently. On the basis of this scheme, we further put forward a hierarchical SHES (HSHES) scheme that can reduce the classical information cost. Theoretical analysis and simulation results show that the end-to-end delay of HSHES is similar to that of SHES, meanwhile, the classical information cost of HSHES is much lower than that of SHES, showing a better tradeoff between the two performance metrics. Compared with the traditional ES methods, the scheme proposed in this paper is conductive to meeting the requirements for long-distance hyperentanglement based quantum communication, which has positive significance for building more efficient quantum networks in the future.
      Corresponding author: Liu Qi, valenti_67@foxmail.com
    • Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 61971348, 61201194) and the Natural Science Basic Research Program of Shaanxi Provence, China (Grant No. 2021JM-464).
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    范桁 2018 67 120301Google Scholar

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    Luo Y H, Zhong H S, Erhard M, Wang X L, Peng C L, Krenn M, Jiang X, Li L, Liu N L, Lu C Y, Zeilinger A, Pan J W 2019 Phys. Rev. Lett. 123 070505Google Scholar

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    Hassanpour S, Houshmand M 2016 Quantum Inf. Process 15 905Google Scholar

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    Paulson K G, Panigrahi P K 2019 Phys. Rev. A 100 052325Google Scholar

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    Shor P W, Preskill J 2000 Phys. Rev. Lett. 85 441Google Scholar

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    Lo H K, Curty M, Qi B 2012 Phys. Rev. Lett. 108 130503Google Scholar

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    Gisin N, Ribordy G, Tittel W, Zbinden H 2002 Rev. Mod. Phys. 74 145Google Scholar

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    Long G L, Liu X S 2002 Phys. Rev. A 65 032302Google Scholar

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    曹正文, 赵光, 张爽浩, 冯晓毅, 彭进业 2016 65 230301Google Scholar

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  • 图 1  极化和空间模自由度中超纠缠态产生原理

    Figure 1.  Schematic diagram of the setup to generate hyperentanglement in both polarization and spatial-mode DOFs.

    图 2  超纠缠交换原理

    Figure 2.  Schematic diagram of hyperentanglement swapping.

    图 3  并行超纠缠交换

    Figure 3.  Schematic diagram of simultaneous hyperentanglement swapping.

    图 4  多级并行纠缠交换原理

    Figure 4.  Schematic diagram of hierarchical simultaneous entanglement swapping.

    图 5  隐形传态保真度

    Figure 5.  Teleportation fidelity.

    图 6  隐形传态保真度随跳数及幅值阻尼系数的变化

    Figure 6.  Teleportation fidelity versus the number of hops and the damping factor.

    图 7  端到端纠缠建立时延随中间节点个数的关系

    Figure 7.  Time delay versus the number of intermediate nodes.

    图 8  单跳距离与端到端时延的关系

    Figure 8.  End to end time delay versus the per-hop length.

    图 9  跳数选择与隐形传态保真度的关系

    Figure 9.  Teleportation fidelity versus the choice of the number of hops.

    图 10  中间节点数与经典信息开销关系

    Figure 10.  Classical costs versus the number of intermediate nodes.

    图 11  每段节点数与经典信息开销的关系

    Figure 11.  Classical costs versus number of intermediate nodes in one segment.

    图 12  跳数与纠缠交换效率的关系

    Figure 12.  Entanglement swapping efficiency versus the number of hops.

    表 1  幺正变换表

    Table 1.  Unitary operations.

    B和C的量子态编码结果AD的量子态Bob的幺正变换
    $ \left| {{\phi ^{\text{ + }}}} \right\rangle _{P} \left| {{\phi ^{\text{ + }}}} \right\rangle _{S} $0000$ \left| {{\phi ^{\text{ + }}}} \right\rangle _{P} \left| {{\phi ^{\text{ + }}}} \right\rangle _{S} $$ {U_1} = \sigma _I^P \otimes \sigma _I^S $
    $ \left| {{\phi ^{\text{ + }}}} \right\rangle _{P} \left| {{\phi ^ - }} \right\rangle _{S} $0001$ \left| {{\phi ^{\text{ + }}}} \right\rangle _{P} \left| {{\phi ^ - }} \right\rangle _{S} $$ {U_2} = \sigma _I^P \otimes \sigma _Z^S $
    $ \left| {{\phi ^ - }} \right\rangle _{P} \left| {{\phi ^ + }} \right\rangle _{S} $0010$ \left| {{\phi ^ - }} \right\rangle _{P} \left| {{\phi ^ + }} \right\rangle _{S} $$ {U_3} = \sigma _Z^P \otimes \sigma _I^S $
    $ \left| {{\phi ^ - }} \right\rangle _{P} \left| {{\phi ^ - }} \right\rangle _{S} $0011$ \left| {{\phi ^ - }} \right\rangle _{P} \left| {{\phi ^ - }} \right\rangle _{S} $$ {U_4} = \sigma _Z^P \otimes \sigma _Z^S $
    $ \left| {{\psi ^{\text{ + }}}} \right\rangle _{P} \left| {{\phi ^{\text{ + }}}} \right\rangle _{S} $0100$ \left| {{\psi ^{\text{ + }}}} \right\rangle _{P} \left| {{\phi ^{\text{ + }}}} \right\rangle _{S} $$ {U_5} = \sigma _X^P \otimes \sigma _I^S $
    $ \left| {{\psi ^{\text{ + }}}} \right\rangle _{P} \left| {{\phi ^ - }} \right\rangle _{S} $0101$ \left| {{\psi ^{\text{ + }}}} \right\rangle _{P} \left| {{\phi ^ - }} \right\rangle _{S} $$ {U_6} = \sigma _X^P \otimes \sigma _Z^S $
    $ \left| {{\psi ^ - }} \right\rangle _{P} \left| {{\phi ^ + }} \right\rangle _{S} $0110$ \left| {{\psi ^ - }} \right\rangle _{P} \left| {{\phi ^ + }} \right\rangle _{S} $${U_7} = - {{i}}\sigma _Y^P \otimes \sigma _I^S$
    $ \left| {{\psi ^ - }} \right\rangle _{P} \left| {{\phi ^ - }} \right\rangle _{S} $0111$ \left| {{\psi ^ - }} \right\rangle _{P} \left| {{\phi ^ - }} \right\rangle _{S} $${U_8} = - {{i}}\sigma _Y^P \otimes \sigma _Z^S$
    $ \left| {{\phi ^{\text{ + }}}} \right\rangle _{p} \left| {{\psi ^{\text{ + }}}} \right\rangle _{S} $1000$ \left| {{\phi ^{\text{ + }}}} \right\rangle _{p} \left| {{\psi ^{\text{ + }}}} \right\rangle _{S} $$ {U_9} = \sigma _I^P \otimes \sigma _X^S $
    $ \left| {{\phi ^{\text{ + }}}} \right\rangle _{p} \left| {{\psi ^ - }} \right\rangle _{S} $1001$ \left| {{\phi ^{\text{ + }}}} \right\rangle _{p} \left| {{\psi ^ - }} \right\rangle _{S} $${U_{10} } = \sigma _I^P \otimes - {{i}}\sigma _Y^S$
    $ \left| {{\phi ^ - }} \right\rangle _{p} \left| {{\psi ^ + }} \right\rangle _{S} $1010$ \left| {{\phi ^ - }} \right\rangle _{p} \left| {{\psi ^ + }} \right\rangle _{S} $$ {U_{11}} = \sigma _Z^P \otimes \sigma _X^S $
    $ \left| {{\phi ^ - }} \right\rangle _{p} \left| {{\psi ^ - }} \right\rangle _{S} $1011$ \left| {{\phi ^ - }} \right\rangle _{p} \left| {{\psi ^ - }} \right\rangle _{S} $${U_{12} } = \sigma _Z^P \otimes - {{i}}\sigma _Y^S$
    $ \left| {{\psi ^ + }} \right\rangle _{P} \left| {{\psi ^ + }} \right\rangle _{S} $1100$ \left| {{\psi ^ + }} \right\rangle _{P} \left| {{\psi ^ + }} \right\rangle _{S} $$ {U_{13}} = \sigma _X^P \otimes \sigma _X^S $
    $ \left| {{\psi ^ + }} \right\rangle _{P} \left| {{\psi ^ - }} \right\rangle _{S} $1101$ \left| {{\psi ^ + }} \right\rangle _{P} \left| {{\psi ^ - }} \right\rangle _{S} $${U_{14} } = \sigma _X^P \otimes - {{i}}\sigma _Y^S$
    $ \left| {{\psi ^ - }} \right\rangle _{P} \left| {{\psi ^ + }} \right\rangle _{S} $1110$ \left| {{\psi ^ - }} \right\rangle _{P} \left| {{\psi ^ + }} \right\rangle _{S} $${U_{15} } = - {{i}}\sigma _Y^P \otimes \sigma _X^S$
    $ \left| {{\psi ^ - }} \right\rangle _{P} \left| {{\psi ^ - }} \right\rangle _{S} $1111$ \left| {{\psi ^ - }} \right\rangle _{P} \left| {{\psi ^ - }} \right\rangle _{S} $${U_{16} } = - {{i}}\sigma _Y^P \otimes - {\rm{i} }\sigma _Y^S$
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    表 2  多跳并行幺正变换表

    Table 2.  Multi-hop parallel entanglement swapping unitary operations

    N1, N2, ···NN – 1 测量结果Alice的幺正变换
    $ \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1}} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2}} \otimes \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1}} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2}} = 1 $$ {U_1} = \sigma _I^P \otimes \sigma _I^S $
    $ \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1}} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2}} \otimes \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1}} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2} = 1 $$ {U_2} = \sigma _I^P \otimes \sigma _Z^S $
    $ \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1}} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2}} \otimes \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2}} = 1 $$ {U_3} = \sigma _I^P \otimes \sigma _X^S $
    $ \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1}} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2}} \otimes \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2} = 1 $$ {U_4} = \sigma _I^P \otimes - i\sigma _Y^S $
    $ \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1}} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2} \otimes \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1}} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2}} = 1 $$ {U_5} = \sigma _I^P \otimes \sigma _I^S $
    $ \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1}} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2} \otimes \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1}} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2} = 1 $$ {U_6} = \sigma _Z^P \otimes \sigma _Z^S $
    $ \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1}} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2} \otimes \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2}} = 1 $$ {U_7} = \sigma _Z^P \otimes \sigma _X^S $
    $ \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1}} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2} \otimes \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2} = 1 $$ {U_8} = \sigma _Z^P \otimes - i\sigma _Y^S $
    $ \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2}} \otimes \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1}} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2}} = 1 $$ {U_9} = \sigma _X^P \otimes \sigma _I^S $
    $ \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2}} \otimes \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1}} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2} = 1 $$ {U_{10}} = \sigma _X^P \otimes \sigma _Z^S $
    $ \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2}} \otimes \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2}} = 1 $$ {U_{11}} = \sigma _X^P \otimes \sigma _X^S $
    $ \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2}} \otimes \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2} = 1 $$ {U_{12}} = \sigma _X^P \otimes - i\sigma _Y^S $
    $ \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2} \otimes \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1}} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2}} = 1 $$ {U_{13}} = - i\sigma _Y^P \otimes \sigma _I^S $
    $ \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2} \otimes \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1}} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2} = 1 $$ {U_{14}} = - i\sigma _Y^P \otimes \sigma _Z^S $
    $ \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2} \otimes \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1} \cdot \overline { \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2}} = 1 $$ {U_{15}} = - i\sigma _Y^P \otimes \sigma _X^S $
    $ \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i1} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_P^{i2} \otimes \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i1} \cdot \oplus _{i = 1}^{N - 1}{\text{MN}}_S^{i2} = 1 $$ {U_{1{\text{6}}}} = - i\sigma _Y^P \otimes - i\sigma _Y^S $
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  • [1]

    Pan J W, Chen Z B, Lu Y C, Weinfurter H, Zeilinger A, Zukowsk M 2012 Rev. Mod. Phys. 84 777Google Scholar

    [2]

    Bennett C H, Brassard G, Crépeau C, Jozsa R, Peres A, Wootters W K 1993 Phys. Rev. Lett. 70 1895Google Scholar

    [3]

    范桁 2018 67 120301Google Scholar

    Fan H 2018 Acta Phys. Sin. 67 120301Google Scholar

    [4]

    Luo Y H, Zhong H S, Erhard M, Wang X L, Peng C L, Krenn M, Jiang X, Li L, Liu N L, Lu C Y, Zeilinger A, Pan J W 2019 Phys. Rev. Lett. 123 070505Google Scholar

    [5]

    Hassanpour S, Houshmand M 2016 Quantum Inf. Process 15 905Google Scholar

    [6]

    Zang P, Song R, Jiang Y 2017 Chinese Journal of Quantum Electronics 34 456

    [7]

    Paulson K G, Panigrahi P K 2019 Phys. Rev. A 100 052325Google Scholar

    [8]

    Shor P W, Preskill J 2000 Phys. Rev. Lett. 85 441Google Scholar

    [9]

    Lo H K, Curty M, Qi B 2012 Phys. Rev. Lett. 108 130503Google Scholar

    [10]

    Gisin N, Ribordy G, Tittel W, Zbinden H 2002 Rev. Mod. Phys. 74 145Google Scholar

    [11]

    Long G L, Liu X S 2002 Phys. Rev. A 65 032302Google Scholar

    [12]

    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

    [13]

    Chen J P, Zhang C, Liu Y, Jiang C, Zhang W J, Hu X L, Guan J Y, Yu Z W, Xu H, Lin J, Li M J, Chen H, Li H, You, L X, Wang Z, Wang X B, Zhang Q, Pan J W 2020 Phys. Rev. Lett. 124 070501Google Scholar

    [14]

    龙桂鲁, 潘栋 2021 信息通信技术与政策 7 7Google Scholar

    Long G L, Pan D 2021 Telecommunications Network Technology 7 7Google Scholar

    [15]

    Sheng Y B, Guo F G, Long G L 2010 Phys Rev. A 82 032318Google Scholar

    [16]

    Hong C H, Heo J, Lim J I, Yang H J 2014 Chin. Phys. B 23 090309Google Scholar

    [17]

    Wang X L, Cai X D, Su Z E, Cheng M C, Wu D, Li L, Liu N L, Lu C Y, Pan J W 2015 Nature 518 516Google Scholar

    [18]

    Xu L 2020 Modern Phys Lett. B 34 2050353Google Scholar

    [19]

    彭承志, 潘建伟 2016 中国科学院院刊 31 1096

    Peng C Z, Pan J W 2016 Bulletin of Chinese Academy of Sciences 31 1096

    [20]

    Liao S K, Cai W Q 2018 Phys. Rev. Lett. 120 030501Google Scholar

    [21]

    赖俊森, 赵文玉, 张海懿 2021 信息通信技术与政策 7 6Google Scholar

    Lai J S, Zhao W Y, Zhang H Y 2021 Telecommunications Network Technology 7 6Google Scholar

    [22]

    聂敏, 张帆, 杨光, 张美玲, 孙爱晶, 裴昌幸 2021 70 040303Google Scholar

    Nie M, Zhang F, Yang G, Zhang M L, Sun A J, Pei C X 2021 Acta Phys. Sin. 70 040303Google Scholar

    [23]

    杨光, 廉保旺, 聂敏 2015 64 010303Google Scholar

    Yang G, Lian B W, Nie M 2015 Acta Phys. Sin. 64 010303Google Scholar

    [24]

    杨光, 廉保旺, 聂敏 2015 64 240304Google Scholar

    Yang G, Lian B W, Nie M 2015 Acta Phys. Sin. 64 240304Google Scholar

    [25]

    Briegel H J, Raussendorf R 2001 Phys. Rev. Lett. 86 910Google Scholar

    [26]

    Pan J W, Bouwmeester D, Weinfurter H, Zeilinger A 1998 Phys. Rev. Lett. 80 3891Google Scholar

    [27]

    Dotsenko I S, Korobka R 2018 Commun. Theor. Phys. 69 143Google Scholar

    [28]

    Li Y H, Li X L, Nie L P, Sang M H 2016 Int. J. Theor. Phys. 55 1820Google Scholar

    [29]

    Tao Y X, Xu J, Zhang Z C 2013 Chin. Phys. B 22 090311Google Scholar

    [30]

    Espoukeh P, Pedram P 2014 Int. J. Theor. Phys. 13 1789

    [31]

    Du Z L, Li X L, Liu X J 2020 Int. J. Theor. Phys. 59 622Google Scholar

    [32]

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Metrics
  • Abstract views:  4604
  • PDF Downloads:  69
  • Cited By: 0
Publishing process
  • Received Date:  25 November 2021
  • Accepted Date:  11 January 2022
  • Available Online:  21 February 2022
  • Published Online:  20 May 2022

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