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Plasmonic modulator with > 170 GHz bandwidth demonstrated at 100 GBd NRZ

: Hoessbacher, Claudia; Josten, Arne; Baeuerle, Benedikt; Fedoryshyn, Yuriy; Hettrich, Horst; Salamin, Yannick; Heni, Wolfgang; Haffner, Christian; Kaiser, Christoph; Schmid, Rolf; Elder, Delwin L.; Hillerkuss, David; Möller, Michael; Dalton, Larry R.; Leuthold, Juerg

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Optics Express 25 (2017), No.3, pp.1762-1768
ISSN: 1094-4087
European Commission EC
H2020; 688166; PLASMOfab
A generic CMOS-compatible platform for co-integrated plasmonics/photonics/electronics PICs towards volume manufacturing of low energy, small size and high performance photonic devices
European Commission EC
H2020; 670478; ERC PLASILOR
Plasmonic-Silicon-Organic Hybrid – a Universal Platform for THz Communications
Journal Article, Electronic Publication
Fraunhofer IPM ()
optical interconnects; plasmonics; modulators

We demonstrate a plasmonic Mach-Zehnder (MZ) modulator with a flat frequency response exceeding 170 GHz. The modulator comprises two phase modulators exploiting the Pockels effect of an organic electro-optic material in plasmonic slot waveguides. We further show modulation at 100 GBd NRZ and 60 GBd PAM-4. The electrical drive signals were generated using a 100 GSa/s digital to analog converter (DAC). The high-speed and small-scale devices are relevant for next-generation optical interconnects.