128-QAM × 8通道DWDM光纤通信

2020 3rd International Conference on Computing, Mathematics and Engineering Technologies (iCoMET) Pub Date : 2020-01-01 DOI:10.1109/iCoMET48670.2020.9073828

M. Rasheed, Farhan Qamar, Nouman Qamar, Romana Shahzadi, Mudassar Ali, M. F. Nadeem Khan, Farhan Haroon

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引用次数: 3

摘要

密集波分复用(DWDM)是一种很有前途的技术，它能够提供潜在的无限传输容量，以满足光纤通信系统对带宽日益增长的需求。本文提出了一种双极化128-QAM的8信道DWDM通信系统。每个通道的数据速率设置为90 gbit /s，并使用80 km的单模光纤(SMF)进行仿真。采用适当长度的色散补偿光纤(DCF)进行色散补偿。除了DCF外，还可以使用适当的光放大器来控制线性损伤。通过改变数据速率、SMF长度和滤波器增益对模型进行了测试。放大器的集总和分布配置被用来寻找最优的结果。本文还对高斯滤光片和贝塞尔滤光片进行了比较。利用Optisystem v.14授权版本中的星座图、EVM和误码率图给出了结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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128-QAM x 8 Channels DWDM Communication for Optical Fiber Networks

Dense Wavelength Division multiplexing (DWDM) is a promising technology that has ability to provide potentially unlimited transmission capacity to meet the growing demand of bandwidth in optical fiber communication systems. In this paper, we have proposed a dual polarized 128-QAM DWDM communication system consisting of 8 channels. The data rate of each channel is set to 90 Gbits/sec and simulations are carried out by using single mode fiber (SMF) of 80 km. Dispersion compensation fiber (DCF) of appropriate length is used for dispersion compensation. Linear impairments are controlled by using appropriate optical amplifier in addition to the DCF. The model is tested by varying the data rates, length of SMF and filter gain. Lumped and distributed configurations of amplifiers are used to find the optimal results. Comparison of Gaussian and Bessel optical filters is also made in the proposed system. The results are presented by using constellation diagrams, EVM and BER plots in licensed version of Optisystem v.14.

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2020 3rd International Conference on Computing, Mathematics and Engineering Technologies (iCoMET)

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