Drayss, DanielFang, DengyangSherifaj, AlbanPeng, HuanfaFüllner, ChristophHenauer, ThomasLihachev, GrigoryFreude, WolfgangRandel, SebastianKippenberg, TobiasZwick, ThomasKoos, Christian2025-01-262025-01-262025-01-25202310.1364/CLEO_AT.2023.STh5C.82-s2.0-85191414872https://infoscience.epfl.ch/handle/20.500.14299/245107We demonstrate optical arbitrary waveform generation at a record-high bandwidth of 325 GHz by phase-stabilized superimposing of four tributary signals. In a proof-of-concept experiment, we use the scheme to generate 320 GBd 32QAM data signals, which are transmitted over 87 km and received by an optical arbitrary waveform measurement system.falsetext::conference output::conference proceedings::conference paper