Net 3.2 Tbps 225 Gbaud PAM4 O-Band IM/DD 2 km Transmission Using FR8 and DR8 with a CMOS 3 nm SerDes and TFLN Modulators

Aleksandar Nikic; Benjamin Krueger; Benton Qiu; Bruce Beggs; Charles St-Arnault; Christian Reimer; David V. Plant; Derek Kita; Fabio Pittal\`a; Mariam Yehia Abdelaziz

arxiv: 2503.24147 · v1 · pith:6WS65UQ5 · submitted 2025-03-31 · eess.SP

Net 3.2 Tbps 225 Gbaud PAM4 O-Band IM/DD 2 km Transmission Using FR8 and DR8 with a CMOS 3 nm SerDes and TFLN Modulators

Charles St-Arnault , Santiago Bernal , Derek Kita , Ross Dickson , Mariam Yehia Abdelaziz , Aleksandar Nikic , Benton Qiu , Benjamin Krueger

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Fabio Pittal\`a Christian Reimer Bruce Beggs Naim Ben-Hamida David V. Plant

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keywords gbaudmodulatorsserdestbpstflntransmissioncmosconfigurations

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We report the first 3.2 and 4.2 Tbps (8 x 225Gbaud PAM4-8), IM/DD transmission system using FR8 and DR8 configurations with TFLN modulators driven by a 3nm SerDes under the HD-FEC threshold.

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Net 3.2 Tbps 225 Gbaud PAM4 O-Band IM/DD 2 km Transmission Using FR8 and DR8 with a CMOS 3 nm SerDes and TFLN Modulators

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