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20222026
most citedEffectiveness of the syndrome extraction circuit with flag qubits on IBM quantum hardware

4 citations · 11 across the 8 of their papers we have counts for

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quant-ph2026

LUCI on IBM Hardware: Error Suppression with Almost Half Syndrome Density

Younghun Kim, Spiro Gicev, Martin Sevior +1

Long-lived logical qubits are essential for fault-tolerant quantum computation. However, the practical performance of traditional error correction protocols relies on performing sp…

quant-ph2026

Time-Dynamic Circuits for Fault-Tolerant Shift Automorphisms in Quantum LDPC Codes

Younghun Kim, Spiro Gicev, Martin Sevior +1

Quantum low-density parity-check (qLDPC) codes have emerged as a promising approach for realizing low-overhead logical quantum memories. Recent theoretical developments have establ…

quant-ph2025★ 3 cited

Almost fault-tolerant quantum machine learning with drastic overhead reduction

Haiyue Kang, Younghun Kim, Eromanga Adermann +2

Errors in the current generation of quantum processors pose a significant challenge towards practical-scale implementations of quantum machine learning (QML) as they lead to traina…

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…

quant-ph2024★ 2 cited

Magic State Injection on IBM Quantum Processors Above the Distillation Threshold

Younghun Kim, Martin Sevior, Muhammad Usman

The surface code family is a promising approach to implementing fault-tolerant quantum computations. Universal fault-tolerance requires error-corrected non-Clifford operations, in…

quant-ph2024★ 2 cited

Transversal CNOT gate with multi-cycle error correction

Younghun Kim, Martin Sevior, Muhammad Usman

A scalable and programmable quantum computer holds the potential to solve computationally intensive tasks that classical computers cannot accomplish within a reasonable time frame,…

quant-ph2024★ 4 cited

Effectiveness of the syndrome extraction circuit with flag qubits on IBM quantum hardware

Younghun Kim, Hansol Kim, Jeongsoo Kang +2

Large scale quantum circuits are required to exploit the advantages of quantum computers. Despite significant advancements in quantum hardware, scalability remains a challenge, wit…

quant-ph2022

Design of Quantum error correcting code for biased error on heavy-hexagon structure

Younghun Kim, Jeongsoo Kang, Younghun Kwon

Surface code is an error-correcting method that can be applied to the implementation of a usable quantum computer. At present, a promising candidate for a usable quantum computer i…