2 papers
quant-ph2024
Approaching ideal visibility in singlet-triplet qubit operations using energy-selective tunneling-based Hamiltonian estimation
Jehyun Kim, Jonginn Yun, Wonjin Jang +9
We report energy selective tunneling readout-based Hamiltonian parameter estimation of a two-electron spin qubit in a GaAs quantum dot array. Optimization of readout fidelity enabl…
cond-mat.mes-hall2024
True decoherence-free-subspace derived from a semiconductor double quantum dot Heisenberg spin-trimer
Wonjin Jang, Jehyun Kim, Jaemin Park +6
Spins in solid systems can inherently serve as qubits for quantum simulation or quantum information processing. Spin qubits are usually prone to environmental magnetic field fluctu…