Cryogenic hybrid controller for control of multiple superconducting qubits

A system, comprising:

• a hybrid controller deployed in a dilution refrigerator at a cryogenic temperature, the hybrid controller comprising:
• a rapid single flux quantum-based phase locked loop device configured to generate local oscillator frequencies corresponding to microwave pulses;
• and
• a complementary metal oxide transistor-based pulse modulator configured to modulate at least one of an amplitude or a phase of the microwave pulses to shape the microwave pulses, resulting in respective microwave signals for interaction with respective qubits;
• a first readout resonator coupled to a first qubit of the respective qubits, the first readout resonator configured to resonate at a first frequency to obtain first qubit measurement data from the first qubit;
• and
• a second readout resonator coupled to a second qubit of the respective qubits, the second readout resonator configured to resonate at a second frequency to obtain second qubit measurement data from the second qubit, wherein the first frequency is different from the second frequency.