Electro-optic modulator comprising thin-film of lithium niobate

An electro-optic modulator, comprising:

• 1) an optical structure, the optical structure comprising an input waveguide, a beam splitter, a first waveguide arm, a second waveguide arm, a beam combiner, and an output waveguide;
• each of the first waveguide arm and the second waveguide arm comprising a conventional waveguide region;
• the first waveguide arm further comprising a first modulating region, a second modulating region, and a third modulating region;
• the second waveguide arm further comprising a fourth modulating region, a fifth modulating region, and a sixth modulating region;
• and
• 2) an electrical structure, the electrical structure comprising a traveling wave electrode comprising a signal-ground-signal electrode structure;
• the traveling wave electrode further comprising a signal input region, a modulating electrode region, and a matched resistor region;
• wherein:
• the modulating electrode region comprises a first signal electrode, a ground electrode, and a second signal electrode;
• the first modulating region is disposed between the first signal electrode and the ground electrode;
• the fourth modulating region is disposed between the second signal electrode and the ground electrode;
• and
• the matched resistor region comprises a virtual ground electrode, a first matched resistor, a second matched resistor, a third matched resistor, and a capacitor;
• the first signal electrode is connected to the virtual ground electrode via the first matched resistor;
• the second signal electrode is connected to the virtual ground electrode via the second matched resistor;
• the ground electrode is connected to the virtual ground electrode via the third matched resistor and the capacitor.