Edge

Short-Reach Singlemode Puts Reflectance on the Radar

Insertion loss budgets have gotten tighter as we have moved from 10 to 40/100 Gig for multimode fiber applications. One would think that we can’t say the same for singlemode applications that have historically meant larger loss budgets – 6.3 dB for 100 Gig over singlemode (100GBASE-LR4) versus just 1.9 dB for 100 Gig over multimode (100GBASE-SR4). But that’s no longer the case with new short-reach singlemode applications. And it’s not just insertion loss that matters with these applications; you now need to also be concerned with reflection.

Sourced through Scoop.it from: www.flukenetworks.com

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