EPJ Web Conf.
Volume 266, 2022EOS Annual Meeting (EOSAM 2022)
|Number of page(s)||2|
|Section||Topical Meeting (TOM) 6- Optical Materials: Crystals, Thin Films, Organic Molecules & Polymers, Syntheses, Characterization and Applications|
|Published online||13 October 2022|
One-dimensional photonic crystal for polarization-sensitive surface-enhanced spectroscopy
1 Politecnico di Milano, Dipartimento di Fisica, 20133 Milano, Italy
2 Università degli studi di Pavia, Dipartimento di Fisica, 27100 Pavia, Italy
3 CSIC-Universidad de Sevilla, Instituto de Ciencia de Materiales de Sevilla, 41092 Sevilla, Spain
4 Northwestern Polytechnical University, School of Mechanical Engineering, Xi’an Shaanxi, People’s Republic of China
5 AIT Austrian Institute of Technology GmbH, Biosensor Technologies, Tulln an der Donau, Austria
6 Czech Academy of Sciences, FZU-Institute of Physics, Prague, Czech Republic
7 Istituto di Fotonica e Nanotecnologie (IFN)-CNR, 20133 Milano, Italy
* Corresponding author: firstname.lastname@example.org
Published online: 13 October 2022
We realize and experimentally characterize a novel platform for surface-enhanced sensing through Bloch Surface Waves (BSWs). We test a one-dimensional photonic crystal, with a high index inclusion in the top layer, that sustains surfaces modes with, in principle, arbitrary polarization. This is achieved through the coherent superposition of TE and TM dispersion relations of BSWs, which can also provide superchiral fields over a wide spectral range (down to the UV). The resulting platform paves the way to the implementation of polarization-resolved surface-enhanced techniques.
© The Authors, published by EDP Sciences
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