decoherence mitigation 1g-factor mapping 1hamiltonian parameter estimation 1intervalley coupling 1quantum dot shuttling 1quantum feedback control 1semiconductor qubits 1sequential monte carlo 1silicon spin qubits 1single-shot measurement 1valley splitting 1
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quant-ph2026
Feedback stabilization of multi-qubit Hamiltonian parameters enabled by single-shot measurement-based sequential Monte Carlo
Hyeongyu Jang, Jaemin Park, Younguk Song +6
The paper presents a real‑time feedback system that uses sequential Monte Carlo estimation with single‑shot measurement data to quickly estimate and stabilize both single‑qubit fre…
quant-ph2026
Mapping g-factors and complex intervalley coupling in Si/SiGe by conveyor-mode shuttling
Mats Volmer, Tom Struck, Arnau Sala +7
The authors present a technique to map nanoscale variations of the electron g‑factor and complex intervalley coupling in planar Si/SiGe quantum dots by shuttling entangled spin pai…
quant-ph2024
Application of zero-noise extrapolation-based quantum error mitigation to a silicon spin qubit
Hanseo Sohn, Jaewon Jung, Jaemin Park +5
As quantum computing advances towards practical applications, reducing errors remains a crucial frontier for developing near-term devices. Errors in the quantum gates and quantum s…