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...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.展开更多
基金supported by the National Key Research and Development Program of China(No.2023YFB2804901)the National Natural Science Foundation of China(Nos.U2001601,62225503,and 62205151)the Jiangsu Provincial Key Research and Development Program(Nos.BE2022079 and BE2022055-2).
文摘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.
