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3 October 2022 Enhanced light matter interaction in waveguides with extreme nanofocussing
Rupert F. Oulton, Ming Fu, Nicholas Gusken, Michael P. Nielsen, Andrea Jacassi, Monica Mota, Paul M. Dichtl, Xiaofei Xiao, Stefan A. Maier
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Proceedings Volume PC12197, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XX; PC1219717 (2022) https://doi.org/10.1117/12.2633325
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States
Abstract
We report recent studies of integrated plasmonic devices for nano-focusing and nano-defocusing, capable of drastically enhancing interactions between light and matter. Our approach is based on gap plasmonic waveguides, which enable efficient photonic-to-plasmonic mode conversion. Here, we demonstrate metallic components that focus light to a 10 nm scale and explore how linear and nonlinear processes are enhanced. We will initially discuss how to achieve low-loss conversion from photonic-like states to plasmonic gap modes. We will then focus on new studies that evaluate the enhancement of nonlinear frequency mixing, spontaneous emission and Raman scattering, all occurring at the nanofocus in these devices.
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Rupert F. Oulton, Ming Fu, Nicholas Gusken, Michael P. Nielsen, Andrea Jacassi, Monica Mota, Paul M. Dichtl, Xiaofei Xiao, and Stefan A. Maier "Enhanced light matter interaction in waveguides with extreme nanofocussing", Proc. SPIE PC12197, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XX, PC1219717 (3 October 2022); https://doi.org/10.1117/12.2633325
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KEYWORDS
Waveguides
Plasmonics
Metals
Nonlinear dynamics
Plasmonic waveguides
Raman scattering
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