On 2/1/21 12:30, Rod Beck wrote:

Here is the intellectual foundation or underpinnings of the new deep sea design which are enabling fiber pair counts as high as 24.

I think the engineers might enjoy this.

https://ieeexplore.ieee.org/document/8369356

This is from 2018 - the submarine cable industry has come a long way since then :-).

Channel spacing on marine systems has always been the game. Adding intelligence into branching units (BU's), as well as improvements in amplifier design has been a contributory factor as well.

What is interesting, now, is that in lieu of copper, aluminium is being preferred as a conductor, to lower build costs.

Mark.