Light pressure in droplet micro-resonators excited by free-space scattering

Anno: 2021

Autori: D’Ambrosio D., Capezzuto M., Avino S., Malara P., Giorgini A., De Natale P., Gagliardi G.

Affiliazione autori: CNR, Ist Nazl Ott INO, Via Campi Flegrei 34, I-80078 Pozzuoli, Italy; CNR, Ist Nazl Off INO, Largo E Fermi 6, I-50125 Florence, Italy

Abstract: A droplet optical resonator is a unique environment toinvestigate light–matter interaction and optomechanicsin liquids. Here, we report on light pressure effects derivedfrom whispering gallery modes excited in a liquid-polymerdroplet micro-resonator by free-space laser scattering. Fromthe nonlinear resonance spectrum observed in the visible, weprovide evidence of photon pressure exerted at the liquid-airboundary and quantify it with a coherent physical model.Our findings pave the way to studies on micro-rheology andnonlinear optofluidics, where droplets serve as miniatureliquid laboratories.© 2021

Giornale/Rivista: OPTICS LETTERS

Volume: 46 (13)      Da Pagina: 3111  A: 3114

Parole chiavi: droplet microresonators, whispering gallery mode, radiation pressure, cavity optomechanics
DOI: 10.1364/OL.427260

Citazioni: 1
dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2022-08-07
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