Modeling and Simulation of Chaos-Based Security-Enhanced WDM-PON

Modeling and Simulation of Chaos-Based Security-Enhanced WDM-PON
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基于混沌的安全增强型 WDM-PON 建模与仿真

DOI:
10.1109/lpt.2013.2277874
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发表时间:
2013-08
影响因子:
2.6
通讯作者:
Qiu, Kun
Qiu, Kun
中科院分区:
工程技术3区
文献类型:
--
作者:
Jiang, Ning;Liu, Ding;Zhang, Chongfu;Qiu, Kun

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介绍了一种基于双激光器混沌同步的物理安全增强型波分复用无源光网络(WDM-PON)。与传统的WDM-PON系统不同,该系统采用混沌载波对上行和下行数据进行物理加密,并基于WDM混沌同步进行解密。数值计算表明,在足够的波长间隔下,相同波长的混沌载波之间可以保持高质量的混沌同步,从而使WDM-PON在上行和下行方向都能提供高比特率的多信道混沌通信,同时也大大提高了物理层的安全性.该方案为实现物理安全的脑桥提供了一种潜在的方法。
A physical security-enhanced wavelength division multiplexed passive optical network (WDM-PON) based on chaos synchronization between twin laser pairs is introduced. Differing from the conventional WDM-PON systems, the downstream and upstream data are physically encrypted by chaotic carriers, and the decryption processes are performed based on WDM chaos synchronization. We numerically demonstrate that with sufficient wavelength spacing, a high quality chaos synchronization between the chaotic carriers with identical wavelength can be maintained, which enables the proposed WDM-PON to afford multichannel chaotic communications at high bit rates in both the downstream and upstream directions; in addition, the security of the physical layer can be greatly enhanced. The proposed scheme shows a potential way for implementing physically-secure PONs.
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