3 papers
quant-ph2024
Improving the accuracy of circuit quantization using the electromagnetic properties of superconductors
Seong Hyeon Park, Gahyun Choi, Eunjong Kim +6
Recent advances in quantum information processing with superconducting qubits have fueled a growing demand for scaling and miniaturizing circuit layouts. Despite significant progre…
quant-ph2023
Characterization of Broadband Purcell Filters with Compact Footprint for Fast Multiplexed Superconducting Qubit Readout
Seong Hyeon Park, Gahyun Choi, Gyunghun Kim +6
Engineering the admittance of external environments connected to superconducting qubits is essential, as increasing the measurement speed introduces spontaneous emission loss to su…
quant-ph2022
Gate Error Analysis of Tunable Coupling Architecture in the Large-scale Superconducting Quantum System
Dowon Baek, Seong Hyeon Park, Suhwan Choi +2
In this paper, we examine various software and hardware strategies for implementing high-fidelity controlled-Z gate in the large-scale quantum system by solving the system's Hamilt…