Dispersion compensation and FEC are separate layers of the cake, and work hand in hand.
I don’t understand why, tho I do not have any kind of expertise here.
I suggest (Haven’t read it), this paper proposes to send much denser and broadened signals around one carrier frequency (they use single mode). Due to dispersion they
-
Start to overlap with one each other. If you put more frequencies, you would have more overlaps and I fail to see how it won’t lead to errors.
-
They all arrive at the broader time window, which again could be mitigated either by error correction, or by extending the time window.
“I haven’t read it, but I assume these are things they didn’t take into account.”
Okay then.
Okay, let’s read and find out whether we can find something that we don’t know.
-
There’s no paper, there is no letter, it’s a simple statement at the institute page. The way science is being communicated nowadays is frustrating.
-
From the statement
However, alongside the commercially available C and L-bands, we used two additional spectral bands called E-band and S-band. Such bands traditionally haven’t been required because the C- and L-bands could deliver the required capacity to meet consumer needs.
So they indeed broadened the frequency range.
- They also did not say anything about limitations. They just pushed this bizarre number everywhere 🤷🏼♂️
if there is a paper you probably can’t read it because it’s published behind a pay wall, because fuck normies i guess.
https://opg.optica.org/ol/fulltext.cfm?uri=ol-49-6-1429&id=547584
You can read their previous papers
that’s cool. Unfortunately a lot of actual research is still pay walled.
-
-
