| Authors: | A. Raza, J. Losada, S. Clemmen, R. Baets, A. Griol, A. Martinez | | Title: | Surface enhanced Raman spectroscopy via isolated plasmonic nanoantennas integrated on silicon nitride waveguides | | Format: | International Conference Proceedings | | Publication date: | 5/2018 | | Journal/Conference/Book: | European Conference on Integrated Optics (ECIO
| | Volume(Issue): | p.104-106 | | Location: | Valencia, Spain | | Citations: | Look up on Google Scholar
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Abstract
In this work, we demonstrate experimentally surface-enhanced Raman spectroscopy (SERS) via bowtie
metallic nanoantennas integrated into silicon nitride waveguides. Two different configurations are considered:nanoantenna on top of the waveguide and nanoantenna inside a gap created in the waveguide. Even though both configurations allow for observing the Raman peaks of 4-nitrothiophenol (NTP), the latter shows higher peaks as a result of a better coupling from the Raman active centres to the fundamental TE waveguide mode. Our results pave the way towards the realization of massive SERS detectors on silicon-compatible photonic chips. Related Research Topics
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