Superconducting isochronous receiver system

A method for isochronously receiving a data signal from a transmission line, the method comprising:

• providing a DC current to a single flux quantum (SFQ) receiver of a receiver system to convert the data signal to an SFQ signal;
• splitting the SFQ signal into a plurality of SFQ signals;
• providing an AC clock signal to an SFQ to reciprocal quantum logic (RQL) converter system of the receiver system to convert the plurality of SFQ signals into a respective plurality of RQL phase signals that are associated with a respective plurality of phases of the AC clock signal;
• and
• generating an RQL output signal based on the plurality of RQL phase signals via digital logic to phase-align the RQL output signal to a sampling phase of the AC clock signal.

An isochronous superconducting inter-chip transmission system comprising:

• a transmitter system configured to convert an RQL input signal into the data signal;
• transmission line to transmit the data signal from the transmitter system;
• and
• an isochronous receiver system comprising:
• a single flux quantum (SFQ) receiver configured to receive the data signal from the transmission line and to convert the data signal to an SFQ signal;
• and
• a converter system configured to convert the SFQ signal to a reciprocal quantum logic (RQL) signal and to phase-align the RQL signal with a sampling phase of an AC clock signal.