弹性光网络关键技术

2014 13th International Conference on Optical Communications and Networks (ICOCN) Pub Date : 2014-12-18 DOI:10.1109/ICOCN.2014.6987060

Zhangyuan Chen, Paikun Zhu, Juhao Li, Yingying Xu, Zhongying Wu, Xin Chen, Yuanxiang Chen, Yongqi He

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引用次数: 3

摘要

IP流量的持续增长以及各种带宽需求的新兴应用正在推动具有柔性网格的弹性光网络(EON)的引入。EON可以通过更好地匹配数据速率和分配带宽来提高频谱利用率，并通过多载波和高阶调制解决方案提高频谱效率。本文将介绍EON的架构和物理层的关键技术。提出了基于光梳的变带宽光转发器和光交换节点支持软件定义。实验验证了弹性光网络物理层的关键技术，包括变带宽加/丢、子带交换、频谱转换、碎片整理和超信道多播。

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Key technologies for elastic optical networks

The continuous growth of IP traffic in combination with emerging applications with various bandwidth demands is driving the introduction of elastic optical network (EON) with flex grid. EON can increase spectrum utilization by better matching data rate with the allocated bandwidth and improve the spectral efficiency by multi-carrier and high-order modulation solutions. In this article the architecture and key technologies for physical layers of EON will be introduced. We propose optical-comb based bandwidth-variable optical transponder and optical switching node supporting software definition. Key technologies for physical layer of elastic optical networks are experimentally demonstrated, including bandwidth-variable add/drop, subband switching, spectrum conversion, defragmentation and multicasting for optical superchannel.

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来源期刊

2014 13th International Conference on Optical Communications and Networks (ICOCN)

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