Keysight Technologies and Nokia Bell Labs have successfully tested a 260 GBaud ultra-high-speed optical signal transmission over 100 km of standard single-mode fiber (SSMF), exceeding the previous record of 220 GBaud. The companies combined expertise with other research partners to create the record-breaking demonstration of 260 GBaud Dual Polarization Quadrature Phase Shift Keying (DP-QPSK) coherent … Continue reading Keysight and Nokia Bell Labs transmit at 260 GBaud over 100 km