Technology - Infrastructure - Long Distance 2 - Fibre, Modulation, Amplification and 40Gbs

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Last updated: 4 May 2008 Update History

Report Status: Archived

Report Pages: 21

Analyst: Robin Whittle


This report discusses lasers, modulation techniques and the two major optical amplification techniques: and distributed Raman and Erbium Doped Fibre Amplifiers (EDFAs). Also discussed are the prospects for soliton transmission in WDM systems and the challenges 40Gb/s long-haul fibre links and how they can be overcome with Forward Error Correction (FEC) and a variety of sophisticated modulation techniques.

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