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. Author manuscript; available in PMC: 2020 Oct 1.

Published in final edited form as: Opt Lett. 2019 Oct 1;44(19):4737–4740. doi: 10.1364/OL.44.004737

Fig. 3. — (a) Linear transmission measurement of Q_c (circles) for a L_c = 40 μm pulley waveguide, for a ring width of 1400 nm (blue), 1500 nm (green) and 1600 nm (puple). The solid and dashed lines represent the simulated Q_c for a waveguide width of 723 nm and 733 nm respectively. The error bars we report are one standard deviation values based on nonlinear least squares fits to the model from Ref [19]. (b) MI combs obtains for different ring widths. The dips in the comb profiles correspond to the pulley anti-phase-matched frequencies and are highlighted through the solid lines. The dotted and dashed lines represent the theoretical position of the pulley anti-phase-matched frequencies, and hence the expected dip in the MI comb spectra, for a waveguide width of 723 nm and 733 nm respectively

Fig. 3. — (a) Linear transmission measurement of Q_c (circles) for a L_c = 40 μm pulley waveguide, for a ring width of 1400 nm (blue), 1500 nm (green) and 1600 nm (puple). The solid and dashed lines represent the simulated Q_c for a waveguide width of 723 nm and 733 nm respectively. The error bars we report are one standard deviation values based on nonlinear least squares fits to the model from Ref [19]. (b) MI combs obtains for different ring widths. The dips in the comb profiles correspond to the pulley anti-phase-matched frequencies and are highlighted through the solid lines. The dotted and dashed lines represent the theoretical position of the pulley anti-phase-matched frequencies, and hence the expected dip in the MI comb spectra, for a waveguide width of 723 nm and 733 nm respectively