Plasmonic Ferroelectric Modulators
Andreas Messner, Felix Eltes, Ping Ma, Stefan Abel, Benedikt Baeuerle,, Arne Josten, Wolfgang Heni, Daniele Caimi, Jean Fompeyrine, Juerg Leuthold
TL;DR
This paper introduces integrated ferroelectric plasmonic modulators that achieve high bandwidth, temperature stability, and ultracompact size, suitable for industrial applications, with demonstrated data rates up to 116 Gbit/s.
Contribution
It presents a novel design of ferroelectric plasmonic modulators with record bandwidth and temperature resilience, suitable for high-speed optical communication.
Findings
Modulation bandwidth of 70 GHz achieved.
Operates at temperatures up to 250°C.
Data rates up to 116 Gbit/s demonstrated.
Abstract
Integrated ferroelectric plasmonic modulators featuring large bandwidths, broad optical operation range, resilience to high temperature and ultracompact footprint are introduced. Measurements show a modulation bandwidth of 70 GHz and a temperature stability up to 250{\deg}C. Mach-Zehnder interferometer modulators with 10-m-long phase shifters were operated at 116 Gbit/s PAM-4 and 72 Gbit/s NRZ. Wide and open eye diagrams with extinction ratios beyond 15 dB were found. The fast and robust devices are apt to an employment in industrial environments.
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