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Optica Publishing Group
  • Journal of Lightwave Technology
  • Vol. 37,
  • Issue 2,
  • pp. 281-290
  • (2019)

Plasmonic Ferroelectric Modulators

Open Access Open Access

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 °C. Mach–Zehnder interferometer modulators with 10-μm-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.

© 2018 OAPA

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