First Demonstration of a cryogenic Silicon Organic Hybrid (SOH) Mach-Zehnder Modulator with a Sub-1V π-Voltage

A. Schwarzenberger, H. Kholeif, A. Kotz,A. Kuzmin, A. Mertens, C. Eschenbaum, G. Ramann, J. Zyskind,M. Lebby,S. Randel, W. Freude,C. Koos

2023 Conference on Lasers and Electro-Optics (CLEO)（2023）

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摘要

We report on a cryogenic silicon-organic hybrid (SOH) Mach-Zehnder modulator (MZM) featuring a record-low π-voltage of U π = 0.92 V. We demonstrate PAM4 transmission at a symbol rate of 70 GBd, the highest value so far achieved for semiconductor-based cryogenic MZM.

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