2024/01/08 by Leanghok Hour, Hour, Leanghok, Sovanmonynuth Heng +7 · 1 citation
Computer Science · Physics and Astronomy · Engineering · #Quantum Computing Algorithms and Architecture #Quantum and electron transport phenomena #Advancements in Semiconductor Devices and Circuit Design
paper · pdf · doi:10.48550/arxiv.2401.03817
We address interconnection challenges in limited-qubit superconducting quantum computers (SQC), which often face crosstalk errors due to expanded qubit interactions during operations. Existing mitigation methods carry trade-offs, like hardware couplers or software-based gate scheduling. Our innovation, the Context-Aware COupler REconfiguration (CA-CORE) compilation method, aligns with application-specific design principles. It optimizes the qubit connections for improved SQC performance, leveraging tunable couplers. Through contextual analysis of qubit correlations, we configure an efficient coupling map considering SQC constraints. Our method reduces depth and SWAP operations by up to 18.84% and 42.47%, respectively. It also enhances circuit fidelity by 40% compared to IBM and Google's topologies. Notably, our method compiles a 33-qubit circuit in less than 1 second.