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首页> 外文期刊>Proceedings of the IEEE >Upgrading WDM Submarine Systems to 40-Gbit/s Channel Bitrate
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Upgrading WDM Submarine Systems to 40-Gbit/s Channel Bitrate

机译：将WDM潜水艇系统升级到40 Gbit / s通道比特率

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摘要

The introduction of wavelength division multiplexing (WDM) has triggered a tremendous capacity growth in submarine systems, both by the increase of the number of WDM channels and by the increase of the channel bitrate. Starting from 2.5 Gbit/s in the mid-1990s, the bitrate was upgraded to 10 Gbit/s by the end of the century in commercial products. The next generation of submarine systems will likely be based on a 40-Gbit/s bitrate. However, transmissions at a 40-Gbit/s rate are more challenging than transmissions at 10 Gbit/s. The goal of this paper is to provide an overview of the technologies which could be required or used in next-generation submarine systems. In the first part of this paper, an overview of the history of submarine links is provided. Then the technologies used in current N × 10 Gbit/s systems are described. Eventually, the challenges to overcome are discussed, whether they concern the type of fiber, the type of optical amplifier, or the nature of the modulation format.
机译：波分复用（WDM）的引入通过增加WDM信道数和增加信道比特率，引发了海底系统的巨大容量增长。从1990年代中期的2.5 Gbit / s开始，到本世纪末，商用产品的比特率已升至10 Gbit / s。下一代海底系统将可能基于40 Gbit / s的比特率。但是，以40 Gbit / s的速率传输比以10 Gbit / s的速率传输更具挑战性。本文的目的是概述下一代潜艇系统可能需要或使用的技术。在本文的第一部分中，提供了海底链路历史的概述。然后介绍了当前N×10 Gbit / s系统中使用的技术。最终，讨论了要克服的挑战，无论它们涉及光纤的类型，光放大器的类型还是调制格式的性质。

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