
Huawei has successfully tested a 220 GBaud ultra-high-speed optical signal transmission, breaking the previous record of 192 GBaud. The highest symbol rate in a commercial product is around 95 GBaud for an 800G single wavelength transmission.The achievement, which was performed by Huawei's Munich optical network R&D team, is described in a post-deadline paper (PDP) by Huawei at last week's virtual European Conference on Optical Communications...