Tomohiro Otsuka

2.4k total citations · 1 hit paper
67 papers, 1.5k citations indexed

About

Tomohiro Otsuka is a scholar working on Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering and Computer Networks and Communications. According to data from OpenAlex, Tomohiro Otsuka has authored 67 papers receiving a total of 1.5k indexed citations (citations by other indexed papers that have themselves been cited), including 42 papers in Atomic and Molecular Physics, and Optics, 37 papers in Electrical and Electronic Engineering and 10 papers in Computer Networks and Communications. Recurrent topics in Tomohiro Otsuka's work include Quantum and electron transport phenomena (38 papers), Advancements in Semiconductor Devices and Circuit Design (23 papers) and Semiconductor materials and devices (15 papers). Tomohiro Otsuka is often cited by papers focused on Quantum and electron transport phenomena (38 papers), Advancements in Semiconductor Devices and Circuit Design (23 papers) and Semiconductor materials and devices (15 papers). Tomohiro Otsuka collaborates with scholars based in Japan, Germany and United States. Tomohiro Otsuka's co-authors include Seigo Tarucha, Takashi Nakajima, Jun Yoneda, Matthieu R. Delbecq, Kenta Takeda, Giles Allison, Tetsuo Kodera, Shunri Oda, Yusuke Hoshi and Noritaka Usami and has published in prestigious journals such as Physical Review Letters, Advanced Materials and Nature Communications.

In The Last Decade

Tomohiro Otsuka

63 papers receiving 1.5k citations

Hit Papers

A quantum-dot spin qubit with coherence limited by charge... 2017 2026 2020 2023 2017 100 200 300 400 500
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. A quantum-dot spin qubit with coherence limited by charge noise and fidelity higher than 99.9%
    2017 558 citations Jun Yoneda, Kenta Takeda et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Tomohiro Otsuka Japan 16 1.2k 714 502 134 113 67 1.5k
Stefan Ludwig Germany 20 996 0.9× 478 0.7× 254 0.5× 215 1.6× 31 0.3× 77 1.3k
Martin Kummer Germany 19 403 0.3× 372 0.5× 227 0.5× 170 1.3× 62 0.5× 82 1.3k
Kenta Takeda Japan 18 1.5k 1.3× 889 1.2× 800 1.6× 180 1.3× 10 0.1× 48 1.8k
Mollie E. Schwartz United States 18 2.0k 1.7× 352 0.5× 1.4k 2.8× 611 4.6× 25 0.2× 35 2.5k
Philip Krantz Sweden 15 1.4k 1.2× 313 0.4× 1.3k 2.5× 120 0.9× 10 0.1× 25 1.9k
Malcolm S. Carroll United States 23 1.2k 1.0× 1.2k 1.6× 297 0.6× 299 2.2× 23 0.2× 108 1.7k
Ioan M. Pop Germany 25 1.8k 1.5× 266 0.4× 1.2k 2.3× 88 0.7× 21 0.2× 68 2.2k
Hanhee Paik United States 14 1.7k 1.5× 294 0.4× 1.5k 3.1× 147 1.1× 10 0.1× 29 2.1k
Oliver Dial United States 14 1.2k 1.0× 421 0.6× 912 1.8× 112 0.8× 10 0.1× 23 1.5k
Archana Kamal United States 15 1.2k 1.0× 212 0.3× 913 1.8× 24 0.2× 45 0.4× 26 1.4k

Countries citing papers authored by Tomohiro Otsuka

Since Specialization
Citations

This map shows the geographic impact of Tomohiro Otsuka's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Tomohiro Otsuka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Tomohiro Otsuka more than expected).

Fields of papers citing papers by Tomohiro Otsuka

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Tomohiro Otsuka. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Tomohiro Otsuka. The network helps show where Tomohiro Otsuka may publish in the future.

Co-authorship network of co-authors of Tomohiro Otsuka

This figure shows the co-authorship network connecting the top 25 collaborators of Tomohiro Otsuka. A scholar is included among the top collaborators of Tomohiro Otsuka based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Tomohiro Otsuka. Tomohiro Otsuka is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Baba, Koichi, et al.. (2025). Formation of few-electron triple quantum dots in ZnO heterostructures. Scientific Reports. 15(1). 36612–36612.
2.
Solís‐Fernández, Pablo, Yung‐Chang Lin, Keisuke Shinokita, et al.. (2025). Lattice-guided growth of dense arrays of aligned transition metal dichalcogenide nanoribbons with high catalytic reactivity. Science Advances. 11(2). eadr8046–eadr8046. 4 indexed citations
3.
Yoshida, Tsuyoshi, et al.. (2025). RFSoC-based radio-frequency reflectometry in gate-defined bilayer graphene quantum devices. Applied Physics Express. 18(7). 75001–75001.
4.
Muto, Y., et al.. (2025). Charge-state estimation in quantum dots using a Bayesian approach. Physical Review Applied. 23(3).
5.
Kozuka, Yusuke, et al.. (2024). Parity-independent Kondo effect of correlated electrons in electrostatically defined ZnO quantum dots. Nature Communications. 15(1). 9556–9556. 4 indexed citations
6.
Izumida, Wataru, et al.. (2024). Dynamics of quantum cellular automata electron transition in triple quantum dots. Physical review. B.. 110(23). 2 indexed citations
7.
Muto, Y., Takashi Nakajima, Matthieu R. Delbecq, et al.. (2024). Visual explanations of machine learning model estimating charge states in quantum dots. SHILAP Revista de lepidopterología. 2(2). 2 indexed citations
8.
Igarashi, Junta, Butsurin Jinnai, Tomohiro Otsuka, et al.. (2023). Nonlinear conductance in nanoscale CoFeB/MgO magnetic tunnel junctions with perpendicular easy axis. Physical review. B.. 107(9). 3 indexed citations
9.
Tanaka, Taketoshi, et al.. (2023). Channel length dependence of the formation of quantum dots in GaN/AlGaN FETs. Applied Physics Express. 16(7). 75003–75003. 1 indexed citations
10.
Otsuka, Tomohiro, et al.. (2023). Wide dynamic range charge sensor operation by high-speed feedback control of radio-frequency reflectometry. Applied Physics Letters. 123(21). 2 indexed citations
11.
Fujiwara, Yoshihiro, et al.. (2023). Radio-Frequency Reflectometry in Bilayer Graphene Devices Utilizing Microscale Graphite Back-Gates. Physical Review Applied. 20(1). 7 indexed citations
12.
Shibata, Kenji, Masaki Yoshida, Kazuhiko Hirakawa, et al.. (2023). Single PbS colloidal quantum dot transistors. Nature Communications. 14(1). 7486–7486. 16 indexed citations
13.
Tu, Nguyen Thanh, et al.. (2022). Spin transport in fully ferromagnetic p–n junctions. Journal of Applied Physics. 131(1). 4 indexed citations
14.
Nakajima, Takashi, Akito Noiri, Jun Yoneda, et al.. (2021). Probabilistic teleportation of a quantum dot spin qubit. npj Quantum Information. 7(1). 12 indexed citations
15.
Otsuka, Tomohiro, Daisuke Koyama, & Mami Matsukawa. (2019). Transportation and discrimination of cells using ultrasound flexural vibration of a glass substrate. Japanese Journal of Applied Physics. 58(SG). SGGD10–SGGD10. 2 indexed citations
16.
Yoneda, Jun, Tomohiro Otsuka, Kenta Takeda, et al.. (2019). Spin–orbit assisted spin funnels in DC transport through a physically defined pMOS double quantum dot. Japanese Journal of Applied Physics. 58(SB). SBBI07–SBBI07. 6 indexed citations
17.
Noiri, Akito, Takashi Nakajima, Jun Yoneda, et al.. (2018). A fast quantum interface between different spin qubit encodings. Nature Communications. 9(1). 5066–5066. 14 indexed citations
18.
Nakajima, Takashi, Matthieu R. Delbecq, Tomohiro Otsuka, et al.. (2018). Coherent transfer of electron spin correlations assisted by dephasing noise. Nature Communications. 9(1). 2133–2133. 26 indexed citations
19.
Uchida, Yasumi, Toshihiro Morita, Keisuke Fukumura, et al.. (2012). Effect of KAATSU training on a patient with benign fasciculation syndrome. 8(1). 9–12. 1 indexed citations
20.
Gade, A., P. Adrich, D. Bazin, et al.. (2007). Spectroscopy ofMg36: Interplay of Normal and Intruder Configurations at the Neutron-Rich Boundary of the “Island of Inversion”. Physical Review Letters. 99(7). 72502–72502. 46 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Stefan Ludwig Breakdown of academic impact, for papers by Martin Kummer Breakdown of academic impact, for papers by Kenta Takeda Breakdown of academic impact, for papers by Mollie E. Schwartz Breakdown of academic impact, for papers by Philip Krantz Breakdown of academic impact, for papers by Malcolm S. Carroll Breakdown of academic impact, for papers by Ioan M. Pop Breakdown of academic impact, for papers by Hanhee Paik Breakdown of academic impact, for papers by Oliver Dial Breakdown of academic impact, for papers by Archana Kamal
Rankless by CCL
2026