Design Process for Terrestrial and Undersea DWDM Network Upgrades
The design process for DWDM upgrades of terrestrial and undersea systems is presented in the form of realistic industry scenarios. Fiber plant quality, margins for repairs and fiber aging, and upgrade capacity target are taken into account. Estimation of repeater characteristics, management of multipath interference and nonlinearities as well as the Raman amplification aspects in the various designs are also analyzed.
KeywordsMicrowave Attenuation Expense Fishing Coupler
The author is grateful to his present and former collogues at Xtera Communications: D. Chang, S. Edirisinghe, G. Grosso, D. Krishnappa, W. Pelouch, A. Puc, A. Robinson, J. Schwartz, N. Taylor, and W. Wong.
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