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Three-dimensional dynamic probabilistic shaping high-security transmission scheme based on dual physical layer encryption for seven-core fibers
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AI
Y
刘
J
J
S
吴
Y
X
Z
J
DOI：10.3788/COL202523.030602.png)
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Abstract
En 中文
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 x 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.
Keywords:
CAP-PON
probabilistic shaping
high security
chaotic encryption
Journal
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3.3
Papers:
4.0W
Citations:
7.6W
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