Analysis of optical modulation formats for DWDM system

2011 Third International Conference on Advanced Computing Pub Date : 2011-12-01 DOI:10.1109/ICOAC.2011.6165151

T. Sabapathi, S. Sundaravadivelu, A. Vairamuthu

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引用次数: 2

Abstract

To meet the growing data traffic demands in the telecommunication applications, the number of wavelengths is to be increased in a fiber-optic backbone of the telecommunication network. The exponential growth of internet services, transmission capacity is a tremendous challenge to networks. Nowadays, 100 Gb/s transmission systems are being used for commercial applications. At the same time, the non-linear effects such as FWM, SRS, XPM, SPM, and Dispersion are also increased, when the number of wavelengths passing through the single fiber is increased. The analysis of efficient modulation formats for DWDM system and long-haul transmission system, we go for various modulations for DWDM system. The maximum data rate for NRZ-OOK modulation format is 100 Gb/s. For RZ-OOK the maximum rate is 50 Gb/s. Since RZ-OOK modulation uses twice the band width when compared to NRZ-OOK modulation. The modulation format is partially upgraded from OOK to PSK, the influence of OOK signals on the updated PSK signals must be considered when using multi-channel wavelength conversion. The PSK modulation is also analyzed.

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DWDM系统光调制格式分析

为了满足电信应用中日益增长的数据流量需求，电信网络的光纤骨干网需要增加波长数。互联网服务呈指数级增长，传输能力对网络构成巨大挑战。目前，100gb /s传输系统正被用于商业应用。同时，随着通过光纤的波长数的增加，光纤的FWM、SRS、XPM、SPM、色散等非线性效应也随之增加。分析了DWDM系统和长途传输系统的有效调制格式，探讨了DWDM系统的各种调制方式。NRZ-OOK调制格式的最大数据速率为100gb /s。对于RZ-OOK，最大速率为50gb /s。由于RZ-OOK调制使用的带宽是NRZ-OOK调制的两倍。调制格式由OOK部分升级为PSK，使用多通道波长转换时必须考虑OOK信号对更新后的PSK信号的影响。对PSK调制进行了分析。

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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来源期刊

2011 Third International Conference on Advanced Computing

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