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Microwave Output Stabilization of a Qubit Controller via Device-Level Temperature Control
Yoshinori Kurimoto, Dongjun Lee, Koichiro Ban +8
We present the design and performance of QuEL-1 SE, which is a multichannel qubit controller developed for superconducting qubits. The system incorporates the active thermal stabil…
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…
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…
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…