Erbium-Doped Fiber Amplifiers At AT&T Bell Labs

Erbium-Doped Fiber Amplifiers At AT&T Bell Labs: A Paced Odyssey By Emmanuel Desurvire Foreward by Josè Chesnoy May 21, 2018 Foreward Three inventions have made possible the advent of long-haul optical communications: fused-silica fibers, semiconductor lasers, and last but none the least, Erbium Doped Fiber Amplifier (EDFA). The EDFA is one of the most revolutionary [...]

AT&T Completes 400 Gb Ethernet Testing

By AT&T Press Release September 8, 2017 DALLAS, Texas – AT&T* successfully completed testing a single-wavelength 400 gigabit Ethernet (GbE) data speed across its production network. This was the final phase of our multi-step trial. This trial of an IEEE standards-based 400 GbE end-to-end circuit demonstrates our intent to lead the industry in providing next-generation speeds – helping [...]

2017-09-12T08:24:45-04:00September 12th, 2017|Categories: Technology & Upgrades|Tags: , , |

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