3 papers
cond-mat.mes-hall2025
High fidelity flopping-mode single spin operation with tuning inter-dot orbital levels
Yuta Matsumoto, Xiao-Fei Liu, Arne Ludwig +5
Fast spin manipulation and long spin coherence time in quantum dots are essential features for high fidelity semiconductor spin qubits. However, generally it has not been well esta…
quant-ph2025
Trapping an Atomic Ion using Time-Division Multiplexed Digital-to-Analog Converters
Ryutaro Ohira, Masanari Miyamoto, Shinichi Morisaka +4
Independent control of numerous electrodes in quantum charge-coupled device architectures presents a significant challenge for wiring and hardware scalability. To address this issu…
quant-ph2025
Multiplexed Control at Scale for Electrode Arrays in Trapped-Ion Quantum Processors
Ryutaro Ohira, Shinichi Morisaka, Ippei Nakamura +2
The scaling up of trapped-ion quantum processors based on the quantum charge-coupled device (QCCD) architecture is difficult owing to the extensive electronics and high-density wir…