Heterogeneous integration of frequency comb generators for high-speed transceivers

A photonics frequency comb generator, comprising:

• an indium phosphide substrate comprising a light source grown thereon;
• a silicon photonics substrate, the silicon photonics substrate comprising a non-linear optical wavelength generator constructed thereon, wherein the indium phosphide substrate and the silicon photonics substrate are interconnected using an optical waveguide,
• a waveguide bus in optical communication with the optical wavelength generator,
• wherein the non-linear optical wavelength generator is a microring resonator interconnected with the light source configured to convert a first wavelength generated by the light source into a plurality of second wavelengths and to distribute the plurality of second wavelengths to a plurality of microring modulators via the waveguide bus, wherein each of the plurality of modulators is tailored to modulate a specific wavelength from the plurality of second wavelengths;
• an input terminal connecting to the indium phosphide substrate;
• and
• an output terminal connected to the silicon photonics substrate.

A multi-chip module, comprising:

• a photonics frequency comb generator, comprising:
• an indium phosphide substrate comprising
• a light source grown thereon;
• a silicon photonics substrate, the silicon photonics substrate comprising an optical wavelength generator constructed thereon using non-silicon material to increase non-linear properties of the optical wavelength generator;
• wherein the indium phosphide substrate and the silicon photonics substrate are interconnected using an optical waveguide;
• a waveguide bus in optical communication with the optical wavelength generator,
• wherein the optical wavelength generator is a microring resonator interconnected with the light source configured to convert a first wavelength generated by the light source into a plurality of second wavelengths and to distribute the plurality of second wavelengths to a plurality of microring modulators via the waveguide bus;
• an input terminal connecting to the indium phosphide substrate;
• and
• an output terminal connected to the silicon photonics substrate.