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Authors: J. Verbist, J. Lambrecht, M. Verplaetse, J. Van Kerrebrouck, A. Srinivasan, P. De Heyn, T. De Keulenaer, X. Yin, J. Van Campenhout, G. Roelkens, J. Bauwelinck
Title: DAC-less and DSP-free PAM 4 Transmitter at 112 Gb/s with Two Parallel GeSi Electro-Absorption Modulators
Format: International Conference Proceedings
Publication date: Accepted for publication. Not yet published
Journal/Conference/Book: European Conference on Optical Communication (ECOC)
Location: Gothenborg, Sweden


We present a novel integrated PAM-4 modulator based on the vector addition of 2 binary driven parallel GeSi electro-absorption modulators. Clear open eyes at 56 GBaud up to 2 km of SSMF without any DSP are demonstrated.

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