13 citations · 28 across the 7 of their papers we have counts for
7 papers
Quantum dot transistors based on CVD-grown graphene nano islands
Takumi Seo, Motoya Shinozaki, Akiko Tada +8
Graphene nanoislands (GNIs) are one of the promising building blocks for quantum devices owing to their unique potential. However, direct electrical measurements of GNIs have been…
Formation of multiple quantum dots in ZnO heterostructures
Koichi Baba, Kosuke Noro, Yusuke Kozuka +4
In recent years, advancements in semiconductor manufacturing technology have enabled the formation of high-quality, high-mobility two-dimensional electron gases in zinc oxide (ZnO)…
RFSoC-based radio-frequency reflectometry in gate-defined bilayer graphene quantum devices
Motoya Shinozaki, Tomoya Johmen, Aruto Hosaka +8
Quantum computers require both scalability and high performance for practical applications. While semiconductor quantum dots are promising candidates for quantum bits, the complexi…
Automatic detection of single-electron regime of quantum dots and definition of virtual gates using U-Net and clustering
Yui Muto, Michael R. Zielewski, Motoya Shinozaki +2
To realize practical quantum computers, a large number of quantum bits (qubits) will be required. Semiconductor spin qubits offer advantages such as high scalability and compatibil…
Charge sensing of few-electron ZnO double quantum dots probed by radio-frequency reflectometry
Kosuke Noro, Motoya Shinozaki, Yusuke Kozuka +6
Zinc oxide (ZnO) has garnered much attention as a promising material for quantum devices due to its unique characteristics. To utilize the potential of ZnO for quantum devices, the…
Kondo effect in electrostatically defined ZnO quantum dots
Kosuke Noro, Yusuke Kozuka, Kazuma Matsumura +5
Quantum devices such as spin qubits have been extensively investigated in electrostatically confined quantum dots using high-quality semiconductor heterostructures like GaAs and Si…
Wide dynamic range charge sensor operation by high-speed feedback control of radio-frequency reflectometry
Yoshihiro Fujiwara, Motoya Shinozaki, Kazuma Matsumura +5
Semiconductor quantum dots are useful for controlling and observing quantum states and can also be used as sensors for reading out quantum bits and exploring local electronic state…