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首页> 外文会议>Optical Transmission, Switching, and Subsystems IV pt.1 >Challenges for introducing 40Gb/s submarine systems
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Challenges for introducing 40Gb/s submarine systems

机译：引入40Gb / s潜艇系统的挑战

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In order to increase the channel bit rate of commercial submarine systems from 10Gb/s to 40Gb/s in a cost effective way, new technologies have to be implemented. We will review them including Raman amplification, modulation formats and PMD mitigation techniques. 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 bit-rate. Starting from 2.5Gbit/s in the mid-nineties, the bit-rate was upgraded to 10Gbit/s by the end of the century in commercial products. The next generation of submarine systems will likely be based on 40Gbit/s bit rate. However, transmissions at 40Gbit/s rate are more challenging than transmissions at 10Gbit/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.rnIn the first part of this paper, an overview of the history of submarine links is provided. Then the technologies used in current Nx10Gbit/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：为了以经济有效的方式将商用海底系统的信道比特率从10Gb / s增加到40Gb / s，必须实施新技术。我们将审查它们，包括拉曼放大，调制格式和PMD缓解技术。波分复用（WDM）的引入通过增加WDM信道数量和增加信道比特率，引发了海底系统的巨大容量增长。从90年代中期的2.5Gbit / s开始，到本世纪末，商用产品的比特率已提升到10Gbit / s。下一代海底系统将可能基于40Gbit / s的比特率。但是，以40Gbit / s的速率传输比以10Gbit / 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，概述了潜艇连接的历史。然后介绍了当前Nx10Gbit / 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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