Optical modulator driver for photonic interconnect platforms

An integrated circuit, comprising:

• a driver for an optical modulator, wherein the driver comprises:
• a pre-driver circuit configured to calibrate the optical modulator;
• and
• an operation driver circuit configured to drive the optical modulator based on calibration information of the pre-driver circuit,
• wherein the pre-driver circuit comprises:
• a first inverting circuit having a first input terminal for receiving a first input electronic signal and a first output terminal electrically coupled to an output terminal of the pre-driver circuit;
• and
• a second inverting circuit having a second input terminal for receiving a second input electronic signal and a second output terminal electrically coupled to the output terminal of the pre-driver circuit, the second input electronic signal being different from the first input electronic signal,
• the first inverting circuit and the second inverting circuit being configured to control an output electronic signal at the output terminal of the pre-driver circuit, the output electronic signal being based on a combination of a first output electronic signal at the first output terminal and a second output electronic signal at the second output terminal,
• the output terminal of the pre-driver circuit being electrically coupled to the optical modulator to provide the output electronic signal to the optical modulator for modulating an optical signal based on the output electronic signal, and
• at least one of the first inverting circuit or the second inverting circuit comprising:
• an inverter electrically coupled between a corresponding input terminal and a corresponding output terminal;
• and a feedback circuit electrically coupled the corresponding output terminal back to the corresponding input terminal, wherein the feedback circuit is configured to control an inversion strength from a corresponding input electronic signal to a corresponding output electronic signal to adjust the output electronic signal and the modulated optical signal, and
• wherein the operation driver circuit comprises:
• a first operation circuit having a first operation input terminal for receiving a first operation input signal, a first operation output terminal electrically coupled to an output terminal of the operation driver circuit, and a first switch electrically coupled between the first operation input terminal and the first operation output terminal, the first operation circuit b forming a first signal path;
• and
• a second operation circuit having a second operation input terminal for receiving a second operation input signal, a second output terminal electrically coupled to the output terminal of the operation driver circuit, and a second switch electrically coupled between the second operation input terminal and the second operation output terminal, the second operation circuit forming a second signal path, the second operation input signal being different from the first operation input signal,
• the first switch being configured to receive a first control signal that is changeable to control the first signal path based on the first operation input signal, and wherein the second switch is configured to receive a second control signal that is changeable to control the second signal path based on the second operation input signal,
• the first operation circuit and the second operation circuit being configured to control a rising edge and a falling edge of an operation output electronic signal at the output terminal of the operation driver circuit, the operation output electronic signal being based on a combination of a first operation output signal at the first operation output terminal and a second output signal at the second output terminal, and
• the driver terminal of the operation driver circuit being electrically coupled to the optical modulator to provide the operation output electronic signal to the optical modulator.