Pluggable Coherent DWDM 10Gig

Mikael Abrahamsson swmike at
Sat Apr 26 06:02:12 UTC 2014

On Sat, 26 Apr 2014, Julien Goodwin wrote:

> But you'd never send it all the waves anyway, that's far too much loss 
> across the band.

Please elaborate.

> ROADMs already solve this problem, and are available at the module level
> (how practically available and usable I've no idea, never needed to try).

Compare the price of a ROADM and a 50%/50% light splitter. Which one do 
you think is the cheapest and also operationally most reliable?

Mikael Abrahamsson    email: swmike at

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