I should clarify that we did measure every channel (polarization, wavelength and fiber core) individually. It would not be fair if we just measured one and mult

I should clarify that we did measure every channel (polarization, wavelength and fiber core) individually. It would not be fair if we just measured one and multiplied ;) (And yes, that took forever. A shout out to A. A. Jørgensen and D. Kong for their endurance in that.)