Research Article

Ultrabroadband Electro-Optic Modulator Based on Hybrid Silicon-Polymer Dual Vertical Slot Waveguide

Figure 3

RF propagation characteristics of dual slot waveguide. (a) RF and optical effective indices and RF attenuation constant over the frequencies of 250 GHz. The dashed blue line indicates the effective optical index of 2.502. (b) Characteristic impedance.
714895.fig.003a
(a)
714895.fig.003b
(b)