Tailoring of the free spectral range and geometrical cavity dispersion of a microsphere by a coating layer (CROSBI ID 222942)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Ristić, Davor ; Mazzola, Maurizio ; Chiappini, Andrea ; Rasoloniaina, Alphonse ; Féron, Patrice ; Ramponi, Roberta ; Righini, Giancarlo Cesare ; Cibiel Gilles ; Ivanda, Mile ; Ferrari, Maurizio
engleski
Tailoring of the free spectral range and geometrical cavity dispersion of a microsphere by a coating layer
The modal dispersion of a whispering gallery mode (WGM) resonator is a very important parameter for use in all nonlinear optics applications. In order to tailor the WGM modal dispersion of a microsphere, we have coated a silica microsphere with a high-refractive-index coating in order to study its effect on the WGM modal dispersion. We used Er3+ ions as a probe for a modal dispersion assessment. We found that, by varying the coating thickness, the geometrical cavity dispersion can be used to shift overall modal dispersion in a very wide range in both the normal and anomalous dispersion regime.
Optical Resonators ; Rare earth doped materials
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