That is some awesome news for Sub-Saharan Africans and Brazillians (if I remember correctly rest of south America ins't connected to Brazil, online games between Brazilians and Chileans for example have terrible lag, as route includes US)
What optical solution are they using for 100x100G?
that's aspirational, as no such technology is commercially available today.
yes, hello, I work in the optical field. you cannot buy something that does 100G with one wavelength at 25 or even 50GHz spacing.