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Submarine networks: evolution, not revolution

机译:潜艇网络:进化,而非革命

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We have described in it previous issue of the Comptes Rendus Physique of January-February 2003 how the wavelength division multiplexing technique enabled Lis to increase drastically the transmission capacity per fiber over trans-Atlantic distances (from 1 x 5 Gbit/s in 1995 LIP to 42 x 10 Gbit/s in 2001). Then, the crash of the internet bubble reduced file need for higher capacity, hilt, recently, the demand in trans-Pacific links has lead to the deployment of new technologies such as the differential phase shift keying modulation format. This new modulation format also enables the upgrading of existing links beyond their design capacities. We illustrate the benefit of this new modulation format and also discuss the capabilities to increase the bit rate from 10 Gb/s to 40 Gb/s per wavelength. To cite this article: O. Gautheron, C. R. Physique 9 (2008).
机译:我们在上一期《 2003年1月至2月的Compend Rendus Physique》中已经描述了波分复用技术如何使Lis大大提高了跨大西洋距离上每根光纤的传输容量(从1995年LIP的1 x 5 Gbit / s到在2001年达到42 x 10 Gbit / s)。然后,互联网泡沫的崩溃减少了文件对更高容量的需求,最近,跨太平洋链接的需求导致了新技术的部署,例如差分相移键控调制格式。这种新的调制格式还可以升级现有链路,使其超出其设计能力。我们将说明这种新调制格式的好处,并讨论将比特率从每个波长的10 Gb / s增加到40 Gb / s的功能。引用本文:O. Gautheron,C. R. Physique 9(2008)。

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