Method for Mitigating an Error of Quantum Circuit and Apparatus Thereof

A quantum circuit error mitigation apparatus comprising:

• a probability matrix generation unit configured to obtain a plurality of pieces of first and second probability matrix information according to a sequence of quantum gates constituting a quantum circuit;
• a differential matrix generation unit configured to generate a plurality of pieces of differential matrix information based on the plurality of pieces of first and second probability matrix information;
• a mitigation matrix generation unit configured to generate error mitigation matrix information corresponding to the quantum circuit using the plurality of pieces of differential matrix information;
• and
• a data storage unit configured to store the error mitigation matrix information generated through the mitigation matrix generation unit.