Cmos-pockels effect material integrated photonics devices

A photonics device, comprising:

• an electro-optic integrated circuit including a first portion of each of a plurality of unit cells, each of the plurality of unit cells including a first portion of a waveguide, an electrode section proximate to the first portion of the waveguide, and an integrated circuit (IC) driver coupled to and configured to drive the electrode section, the plurality of unit cells being adjacent and distributed along a second portion of the waveguide, the waveguide including at least one electro-optic material possessing a Pockels Effect and being configured to carry an optical signal, the first portion of each of the plurality of unit cells of the electro-optic integrated circuit including the first portion of the waveguide and the electrode section, the electrode section being unterminated;
• and
• a CMOS integrated circuit coupled with the electro-optic integrated circuit and including the IC driver for each of the plurality of unit cells, the IC driver being aligned with the electrode section such that the IC driver is connectable to the electrode section by an electrical channel having a length of not more than 300 micrometers, the IC driver being configured to drive the electrode section with a logical signal and including an active device;
• wherein the plurality of unit cells is configured such that the photonics device has a 3 dB bandwidth of at least 100 GHz and the plurality of unit cells has an input impedance of not more than forty Ohms.

A method, comprising:

• providing an optical signal to a waveguide;
• and
• driving an electrode section in each unit cell of a plurality of unit cells of a photonics device, each of the plurality of unit cells including a first portion of the waveguide, the electrode section proximate to the first portion of the waveguide, and an integrated circuit (IC) driver coupled to and configured to drive the electrode section, the plurality of unit cells being adjacent and distributed along a second portion of the waveguide, the waveguide including at least one electro-optic material possessing a Pockels Effect and being configured to carry the optical signal, the IC driver, the electrode section, and the first portion of the waveguide for each of the plurality of unit cells being integrated into the photonics device, wherein the driving further includes:
• driving, using the IC driver, the electrode section of each of the plurality of unit cells with a timing and an order with respect to remaining IC drivers of the plurality of unit cells, the timing and the order corresponding to a speed of the optical signal in the waveguide, the timing being digitally controlled for the IC driver;
• wherein the plurality of unit cells is configured such that the photonics device has a 3 dB bandwidth of at least 70 GHz and the first portion of the waveguide has a length not exceeding five hundred micrometers.