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研究了动态密集波分复用(DWDM)光网络中直接调制-强度检测(IM-DD)系统中的交叉相位调制(XPM)和放大自发辐射(ASE)导致的动态噪声积累效应对高速光脉冲传输时的强度噪声影响,修正目前1M-DD系统中传输代价Q参数的计算公式。通过仿真分析了动态网络环境下两种噪声积累对动态光路径接收端误码率(BER)的影响,得出了XPM相位噪声与动态网络中光纤段长度、段数、波长信道间隔、链路ASE噪声等存内的链路参数之间的关系。对于动态光网络中链路的选择具有很好的参考价值。
The effect of dynamic phase noise (XPM) and dynamic noise accumulation caused by amplification of spontaneous emission (ASE) in a direct modulation-intensity detection (IM-DD) system for dynamic dense wavelength division multiplexing (DWDM) Transmission of the intensity of noise effects, to amend the current 1M-DD system transmission cost Q parameters of the formula. The influence of two kinds of noise accumulation on the bit error rate (BER) of dynamic optical path receiver is analyzed by simulation. The relationship between the phase noise of XPM and the length of optical fiber, number of segments, wavelength channel spacing, link ASE The relationship between noise and other link parameters. For the dynamic optical network link selection has a good reference value.