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Long-haul dense wavelength division multiplexing between a chaotic optical secure channel and a conventional fiber-optic channel

机译：混沌光学安全通道和常规光纤通道之间的长距离密集波分复用

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The purpose of this paper is to numerically investigate dense wavelength division multiplexing (DWDM) transmission between a chaotic optical secure channel and a conventional fiber-optic channel. A 2.5 Gbits/s secure message masked by the chaotic optical secure channel and a 10 Gbits/s message sequence carried by the conventional fiber-optic channel can be realized simultaneously when the channel spacing is 0.8 nm. The results show that the Q-factors of the recovered messages can be increased significantly when the launched optical power is reduced appropriately. The deterioration of the quality of communication caused by fiber dispersion can be compensated noticeably on the condition that the symmetrical dispersion compensation scheme is adopted. In addition, the secure message is masked by chaos shift keying in the chaotic optical secure channel. The multiplexing distance between the chaotic optical secure channel and the conventional fiber-optic channel is up to 500 km.
机译：本文的目的是对混沌光学安全通道和常规光纤通道之间的密集波分复用（DWDM）传输进行数值研究。当信道间隔为0.8nm时，可以同时实现被混沌光学安全信道掩盖的2.5Gbits / s安全消息和常规光纤信道所携带的10Gbits / s消息序列。结果表明，适当降低发射的光功率，可以显着增加恢复消息的Q因子。在采用对称色散补偿方案的情况下，可以显着地补偿由于光纤色散引起的通信质量下降。另外，该安全消息被混沌光学安全信道中的混沌移位键掩盖。混沌光学安全信道与常规光纤信道之间的复用距离可达500 km。

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