220 GBaud Signal Generation Enabled by a Two-channel 256 GSa/s Arbitrary Waveform Generator and Advanced DSP
Fabio Pittale, Maximilian Schaedler, Ginni Khanna, Stefano Calabrò, Maxim Kuschnerov, Changsong Xie, Zhicheng Ye, Qibing Wang, Bofang Zheng
Abstract
We report, to the best of our knowledge, the highest symbol rate of 220 GBaud in optical back-to-back QPSK transmission enabled by a new 256 GSa/s SiGe arbitrary waveform generator, a >50 GHz 6 dB bandwidth GaAs IQ modulator and advanced nonlinear DSP.
Topics & Concepts
Arbitrary waveform generatorWaveformSignal generatorSymbol rateDigital signal processingElectronic engineeringBandwidth (computing)Phase-shift keyingTransmission (telecommunications)Computer scienceGenerator (circuit theory)Channel (broadcasting)Signal processingSIGNAL (programming language)EngineeringChipBit error rateTelecommunicationsPhysicsPower (physics)Quantum mechanicsProgramming languageRadarOptical Network TechnologiesPhotonic and Optical DevicesAdvanced Photonic Communication Systems