Figure 5.

(a) Transmitted power of the microbubble-based setup, calculated for three resonant ${\mathrm{WGM}}_{l,m,n}$, as a function of the modal order X of the ${\mathrm{LP}}_{0,X}$ cladding modes, with a gap g = 0 nm; (b) transmission of the ${\mathrm{WGM}}_{998,998,3}$, excited by the ${\mathrm{LP}}_{0,4}$, as a function of the detuning $\Delta \omega$, with a gap g = 0 nm; microbubble-based setup.