A. Krasnok, M. Caldarola, N. Bonod, and A. Alú, Spectroscopy and Biosensing with Optically Resonant Dielectric Nanostructures, Adv. Opt. Mater. 6, 1701094 (2018)
Resonant dielectric nanoparticles, like Si, GaP, GaAs, offer a powerful platform for nanophotonics and quantum optics. They provide electric and magnetic resonant responses across the visible and infrared spectrum, low losses, and absence of quenching. This review showcases their multifunctionality, from enhanced spectroscopy to lab-on-a-chip technology, and highlights future research challenges.