A plasmonic modulator based on metal-insulator-metal waveguide with barium titanate core

Viktoriia Babicheva, Andrei Lavrinenko

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Abstract

We design a plasmonic modulator which can be utilized as a compact active device in photonic integrated circuits. The active material, barium titanate (BaTiO3), is sandwiched between metal plates and changes its refractive index under applied voltage. Some degree of switching of ferroelectric domains from the in-plane to out-of-plane orientation provides the change of the refractive index, which can be exploited for effective light modulation. By numerical analysis we prove that the π phase change can be achieved with a 12…15μm length device having propagation losses 0.05…0.2dB/μm.
Original languageEnglish
JournalPhotonics Letters of Poland
Volume5
Issue number2
Pages (from-to)57-59
ISSN2080-2242
DOIs
Publication statusPublished - 2013

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