Surface plasmons and Bloch surface waves: Towards optimized ultra-sensitive optical sensors

Abstract : In photonics, the field concentration and enhancement have been major objectives for achieving size reduction and device integration. Plasmonics offers resonant field confinement and enhancement, but ultra-sharp optical resonances in all-dielectric multi-layer thin films are emerging as a powerful contestant. Thus, applications capitalizing upon stronger and sharper optical resonances and larger field enhancements could be faced with a choice for the superior platform. Here, we present a comparison between plasmonic and dielectric multi-layer thin films for their resonance merits. We show that the remarkable characteristics of the resonance behavior of optimized dielectric multi-layers can outweigh those of their metallic counterpart.
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https://hal.archives-ouvertes.fr/hal-01563925
Contributor : Aude Lereu <>
Submitted on : Tuesday, July 18, 2017 - 12:01:50 PM
Last modification on : Monday, March 4, 2019 - 2:04:24 PM

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Aude Lereu, Myriam Zerrad, Passian Ali, Claude Amra. Surface plasmons and Bloch surface waves: Towards optimized ultra-sensitive optical sensors . Applied Physics Letters, American Institute of Physics, 2017, 111, pp.011107. ⟨10.1063/1.4991358⟩. ⟨hal-01563925⟩

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