Over the last decades, dielectric Whispering-Gallery Mode (WGM) micro-resonators, such as spherical or toroidal structures, have demonstrated their effectiveness for highly sensitive biochemical sensing [1]. When a WGM resonance is excited, light is tightly concentrated within a small modal volume, greatly enhancing the interaction with analytes. Conversely, Surface-Enhanced Raman Spectroscopy (SERS) is a powerful technique that merges the molecular fingerprinting capabilities of Raman spectroscopy with the optical near-field enhancement provided by localized surface-plasmon resonances (LSPRs) on metallic nanostructures. This combination enables the highly sensitive and selective detection of various substances, even in liquid environments [2].
Whispering-Gallery Mode Enhanced SERS Sensing / D'Ambrosio, Davide; Chishti, Naveed Ahmed; Catalano, Benedetta; Rusciano, Giulia; Sasso, Antonio; Gagliardi, Gianluca. - (2025), pp. 1-1. ( 2025 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2025 deu 2025) [10.1109/cleo/europe-eqec65582.2025.11110755].
Whispering-Gallery Mode Enhanced SERS Sensing
Catalano, BenedettaMembro del Collaboration Group
;Rusciano, GiuliaMembro del Collaboration Group
;Sasso, Antonio;
2025
Abstract
Over the last decades, dielectric Whispering-Gallery Mode (WGM) micro-resonators, such as spherical or toroidal structures, have demonstrated their effectiveness for highly sensitive biochemical sensing [1]. When a WGM resonance is excited, light is tightly concentrated within a small modal volume, greatly enhancing the interaction with analytes. Conversely, Surface-Enhanced Raman Spectroscopy (SERS) is a powerful technique that merges the molecular fingerprinting capabilities of Raman spectroscopy with the optical near-field enhancement provided by localized surface-plasmon resonances (LSPRs) on metallic nanostructures. This combination enables the highly sensitive and selective detection of various substances, even in liquid environments [2].I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
