New laser lays groundwork for next-generation ethernet technology

https://techxplore.com/news/2023-01-laser-lays-groundwork-next-generation-ethernet.html

"200 Gb/s over a record distance of 10 kilometers... next-generation data centers for 800G and 1.6T ethernet... lumped electrode electro-absorption (EA) modulator DFB laser... less chromatic dispersion... low transmitter and dispersion eye closure quaternary (TDECQ) values, indicating solid transmitter performance... also useful for longer reach 5-km CWDM4 applications"