3 papers
quant-ph2026
Lattice patch structure for fixed-frequency transmon quantum computer with high-fidelity CNOT gates
Chanpyo Kim, Jeongsoo Kang, Younghun Kwon
Superconducting transmon processors represent a leading platform for large-scale quantum computing due to their high gate fidelities and scalability. However, conventional qubit-co…
quant-ph2024
Implementation of Magic State Injection within Heavy-Hexagon Architecture
Hansol Kim, Wonjae Choi, Younghun Kwon
The magic state injection process is a critical component of fault-tolerant quantum computing, and numerous studies have been conducted on this topic. Many existing studies have fo…
quant-ph2024
New Design of three-qubit system with three transmons and a single fixed-frequency resonator coupler
Jeongsoo Kang, Chanpyo Kim, Younghun Kim +1
The transmon, which has a short gate time and remarkable scalability, is the most commonly utilized superconducting qubit, based on the Cooper pair box as a qubit or coupler in sup…