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Optical channel capacity - From Mb/s to Tb/s and beyond

机译：光信道容量-从Mb / s到Tb / s甚至更高

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摘要

The history of optical channel capacity growth, from Mb/s to Tb/s and beyond, is reviewed. By considering only one polarization various types of optical channels can be categorized into three basic designs: Single Carrier Single Modulation-path (SCSM), e.g. a single carrier ETDM channel; Single Carrier Multiple Modulation-paths (SCMM), e.g. an OTDM channel; and Multiple Carrier Multiple Modulation-paths (MCMM), e.g. a superchannel. Techniques, such as polarization multiplexing (PM) and multi-level modulations, can be applied to the basic channel designs. The single carrier ETDM channel design has successfully supported all commercially available optical transport systems with channel capacity up to 100 Gb/s, which is the highest channel capacity deployable in current fiber networks. Commercial optical channel designs for channel capacity beyond 100 Gb/s, however, may experience a paradigm change from the single carrier ETDM channel to the multi-carrier superchannel based on the analysis in this paper.
机译：回顾了光信道容量从Mb / s到Tb / s甚至更高的增长历史。通过仅考虑一种偏振，可以将各种类型的光信道分类为三种基本设计：单载波单调制路径（SCSM），例如单载波单调制路径（SCSM）。单载波ETDM信道；单载波多调制路径（SCMM），例如OTDM信道；和多载波多调制路径（MCMM），例如超级频道。诸如极化复用（PM）和多级调制之类的技术可以应用于基本信道设计。单载波ETDM通道设计已成功支持所有商用光传输系统，其通道容量高达100 Gb / s，这是当前光纤网络中可部署的最高通道容量。然而，基于本文的分析，用于超过100 Gb / s的信道容量的商用光信道设计可能会经历从单载波ETDM信道到多载波超信道的模式变化。

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