Naslov
Whispering gallery mode profiles in a coated microsphere

Autori
Ristić, Davor ; Chiappini, Andrea ; Mazzola, Maurizio ; Farnesi, Daniele ; Nunzi-Conti, Gualtiero ; Righini, Giancarlo Cesare ; Féron, Patrice ; Cibiel, Gilles ; Ferrari, Maurizio ; Ivanda, Mile

Izvornik
The European physical journal. Special topics (1951-6355) 223 (2014), 10; 1959-1969

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
optical microresonators ; sensing

Sažetak
The properties of whispering gallery modes (WGM) of a microsphere can be tailored by coating the resonator with a thin film. If the coating has a higher refractive index than the microsphere core, the resulting structure will have a configuration which has similarities both with a classical WGM resonator and with a planar waveguide. By choosing the film thickness and refractive index we can tailor the degree of confinement of the WGMs inside the sphere core, coating and surrounding medium, which will in turn influence the WGMs contact with its surroundings. We present a study of the effect of the coating on the WGM mode profiles in particular of a silicon coating on a silica sphere

Izvorni jezik
Engleski

Znanstvena područja
Fizika

POVEZANOST RADA