• Chinese Optics Letters
  • Vol. 23, Issue 3, 030602 (2025)
Yaya Mao1,2,3, Bo Liu1,2,3,*, Jingrui Huang4, Jianxin Ren1,2,3..., Shuaidong Chen1,2,3, Xiangyu Wu1,2,3, Yongfeng Wu1,2,3, Xiumin Song1,2,3, Zhipeng Qi1,2,3 and Jie Cui1,2,3|Show fewer author(s)
Author Affiliations
  • 1Institute of Optics and Electronics, Nanjing University of Information Science & Technology, Nanjing 210044, China
  • 2Jiangsu Key Laboratory for Optoelectronic Detection of Atmosphere and Ocean, Nanjing University of Information Science & Technology, Nanjing 210044, China
  • 3Jiangsu International Joint Laboratory on Meteorological Photonics and Optoelectronic Detection, Nanjing University of Information Science & Technology, Nanjing 210044, China
  • 4School of Computer Science and Technology, Tongji University, Shanghai 201804, China
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    DOI: 10.3788/COL202523.030602 Cite this Article Set citation alerts
    Yaya Mao, Bo Liu, Jingrui Huang, Jianxin Ren, Shuaidong Chen, Xiangyu Wu, Yongfeng Wu, Xiumin Song, Zhipeng Qi, Jie Cui, "Three-dimensional dynamic probabilistic shaping high-security transmission scheme based on dual physical layer encryption for seven-core fibers," Chin. Opt. Lett. 23, 030602 (2025) Copy Citation Text show less

    Abstract

    In this paper, a carrier-less amplitude and phase modulation passive optical network (CAP-PON) scheme is proposed based on dynamic probabilistic shaping (DPS) and Rubik’s cube encryption in optical access networks. The key is generated from a novel five-dimensional entangled chaos model for dynamic probabilistic shaping and Rubik’s cube encryption. To verify the performance of the encryption scheme, an experimental demonstration of 70 Gb/s (7 × 10 Gb/s) encrypted DPS-3D-CAP signal transmission over 2 km weakly coupled 7-core fiber is performed. The key space of the new five-dimensional entangled chaos model reaches 10173, and the interference level reaches 100%. Experimental results show that the receiver sensitivity increases by 1.47 dB compared to the conventional uniform 3D-CAP due to the introduction of dynamic probabilistic shaping.
    {x˙=axby+ecoswy˙=ay+bx+esinzz˙=cz+ecosuw˙=dw+esinyu˙=hu+esinx,

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    {X1=floor[mod(X×103,2)]Y1=floor[mod(Y×103,4)].

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    N=8!×37×12!×210×(24!)(n3)(n+1)4243[(n2)21]2,n=2k+1,k1,kZ.

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    N=7!×36×(24!)n(n2)4243(n2)22,n=2k,k1,kZ.

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    {Z1=floor[mod(Z×103,3)]+1W1=floor[mod(W×103,n)]+1U1=floor[mod(U×103,4)]+1.

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    Yaya Mao, Bo Liu, Jingrui Huang, Jianxin Ren, Shuaidong Chen, Xiangyu Wu, Yongfeng Wu, Xiumin Song, Zhipeng Qi, Jie Cui, "Three-dimensional dynamic probabilistic shaping high-security transmission scheme based on dual physical layer encryption for seven-core fibers," Chin. Opt. Lett. 23, 030602 (2025)
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