Group publications

Preprints

A fast quantum interface between spin qubits of different codes
Akito Noiri, Takashi Nakajima, Jun Yoneda, Matthieu R. Delbecq, Peter Stano, Tomohiro Otsuka, Kenta Takeda, Shinichi Amaha, Giles Allison, Kento Kawasaki, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha
arXiv preprint (2018) [arXiv] {Quantum Information}

Difference in charge and spin dynamics in a quantum dot-lead coupled system
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Peter Stano, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Sen Li, Akito Noiri, Takumi Ito, Daniel Loss, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha
arXiv preprint (2018) []

2018

Four single-spin Rabi oscillations in a quadruple quantum dot
Takumi Ito, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Akito Noiri, Giles Allison, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha
Applied Physics Letters 113, 093102 (2018) [arXiv|doi] {Quantum Information}

Coherent transfer of electron spin correlations assisted by dephasing noise
Takashi Nakajima, Matthieu R. Delbecq, Tomohiro Otsuka, Shinichi Amaha, Jun Yoneda, Akito Noiri, Kenta Takeda, Giles Allison, Arne Ludwig, Andreas D. Wieck, Xuedong Hu, Franco Nori, and Seigo Tarucha
Nature Communications 9, 2133 (2018) [arXiv|doi] {Quantum Information}

A quantum-dot spin qubit with coherence limited by charge noise and fidelity higher than 99.9%
Jun Yoneda, Kenta Takeda, Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Giles Allison, Takumu Honda, Tetsuo Kodera, Shunri Oda, Yusuke Hoshi, Noritaka Usami, Kohei M. Itoh, and Seigo Tarucha
Nature Nanotechnology 13, 102-106 (2018) [arXiv|doi] {Quantum Information}

2017

Cotunneling spin blockade observed in a three-terminal triple quantum dot
Akito Noiri, Tatsuki Takakura, Toshiaki Obata, Tomohiro Otsuka, Takashi Nakajima, Jun Yoneda, and Seigo Tarucha
Physical Review B 96, 155414 (2017) [] {Quantum Transport}

Higher-order spin and charge dynamics in a quantum dot-lead hybrid system
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Peter Stano, Akito Noiri, Takumi Ito, Daniel Loss, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha
Scientific Reports 7, 12201 (2017) [] {Quantum Transport}

Robust Single-Shot Spin Measurement with 99.5% Fidelity in a Quantum Dot Array
Takashi Nakajima, Matthieu R. Delbecq, Tomohiro Otsuka, Peter Stano, Shinichi Amaha, Jun Yoneda, Akito Noiri, Kento Kawasaki, Kenta Takeda, Giles Allison, Arne Ludwig, Andreas D. Wieck, Daniel Loss, and Seigo Tarucha
Physical Review Letters 119, 017701 (2017) [arXiv|doi] {Quantum Information}

A triangular triple quantum dot with tunable tunnel couplings
Akito Noiri, Kento Kawasaki, Tomohiro Otsuka, Takashi Nakajima, Jun Yoneda, Shinichi Amaha, Matthieu Delbecq, Kenta Takeda, Giles Allison, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha
Semiconductor Science and Technology 32, 084004 (2017) [] {Quantum Transport}

Detection and control of charge states in a quintuple quantum dot
Takumi Ito, Tomohiro Otsuka, Shinichi Amaha, Matthieu R. Delbecq, Takashi Nakajima, Jun Yoneda, Kenta Takeda, Giles Allison, Akito Noiri, Kento Kawasaki, and Seigo Tarucha
Scientific Reports 6, 39113 (2017) [] {Quantum Information}

2016

Single-electron Spin Resonance in a Quadruple Quantum Dot
Tomohiro Otsuka, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Jun Yoneda, Kenta Takeda, Giles Allison, Takumi Ito, Retsu Sugawara, Akito Noiri, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha
Scientific Reports 6, 31820 (2016) [] {Quantum Information}

A fault-tolerant addressable spin qubit in a natural silicon quantum dot
Kenta Takeda, Jun Kamioka, Tomohiro Otsuka, Jun Yoneda, Takashi Nakajima, Matthieu R. Delbecq, Shinichi Amaha, Giles Allison, Tetsuo Kodera, Shunri Oda, and Seigo Tarucha
Science Advances 2, e1600694 (2016) [arXiv|doi] {Quantum Information}

Coherent electron-spin-resonance manipulation of three individual spins in a triple quantum dot
Akito Noiri, Jun Yoneda, Takashi Nakajima, Tomohiro Otsuka, Matthieu R. Delbecq, Kenta Takeda, Shinichi Amaha, Giles Allison, Arne Ludwig, Andreas D. Wieck, and Seigo Tarucha
Applied Physics Letters 108, 153101 (2016) [] {Quantum Information}

Quantum dephasing in a GaAs gated triple quantum dot due to nonergodic noise
M. R. Delbecq, T.Nakajima, P. Stano, T. Otsuka, S. Amaha, J. Yoneda, K. Takeda, G.Allison, A. Ludwig, A. D. Wieck, and S. Tarucha
Phys. Rev. Lett. 116, 046802 (2016) [arXiv|doi|pdf] {Quantum Information}

4pi-periodic Josephson supercurrent in HgTe-based topological Josephson junctions
J. Wiedenmann, E. Bocquillon, R.S. Deacon, S. Hartinger, O. Herrmann, T.M. Klapwijk, L. Maier, C. Ames, C. Brüne, C. Gould, A. Oiwa, K. Ishibashi, S. Tarucha, H. Buhmann, and L.W. Molenkamp
Nat. Commun. 7, 10303 (2016). [] {Quantum Transport}

2015

T. Otsuka, S. Amaha, T. Nakajima, M. R. Delbecq, J. Yoneda, K. Takeda, R. Sugawara, G. Allison, A. Ludwig, A. D. Wieck, and S. Tarucha, Fast probe of local electronic states in nanostructures utilizing a single-lead quantum dot Sci. Rep. 5, 14616 (2015). [doi] {Quantum Information}

J. Yoneda, T. Otsuka, T. Takakura, M. Pioro-Ladrière, R. Brunner, H. Lu, T. Nakajima, T. Obata, A. Noiri, C. J. Palmstrøm, A. C. Gossard, and S. Tarucha, Robust micromagnet design for fast electrical manipulations of single spins in quantum dots Appl. Phys. Express 8, 084401 (2015). [arXiv|doi] {Quantum Information}

H. Shioya, R. Saverio, M. Yamamoto, M. Craciun, and S. Tarucha, Electron states of uniaxially strained graphene, Nano. Lett. 15, 7943–7948 (2015). [] {Quantum Transport}

S. Baba, J. Sailer, R.S. Deacon, A. Oiwa, K. Shibata, K. Hirakawa and S. Tarucha, Superconducting transport in single and parallel double InAs quantum dot Josephson junctions with Nb-based superconducting electrodes, Appl. Phys. Lett. 107, 222602-1 - 5 (2015).[] {Quantum Transport}

Y. Shimazaki, M. Yamamoto, I.V. Borzenets, K. Watanabe, T. Taniguchi, and S. Tarucha,Generation and detection of pure valley current by electrically induced Berry curvature in bilayer graphene, Nature Physics 11, 1032–1036 (2015).[] {Quantum Transport}

Y. Kondo, S. Amaha, K. Ono, K. Kono, and S.Tarucha, Critical behavior of alternately pumped nuclear spins in quantum dots, Phys. Rev. Lett. 115, 186803 (2015).[] {Quantum Transport}

B. Bertrand, H. Flentje, S. Takada, M. Yamamoto, S. Tarucha, A. Ludwig, A.D. Wieck, C. Bauerle, and T. Meunier, Quantum manipulation of two-electron spin states in isolated double quantum dots, Phys. Rev. Lett. 115, 096801 (2015).[] {Quantum Information}

S. Takada, M. Yamamoto, C. Bauerle, K. Watanabe, A. Ludwig, A.D. Wieck, and S. Tarucha, Measurement of the transmission phase of an electron in a quantum two-path interferometer, Appl. Phys. Lett. 107, 063101 (2015).[] {Quantum Transport}

S. Amaha, T. Hatano, S. Tarucha, J.A. Gupta, and D.G. Austing, Vanishing current hysteresis under competing nuclear spin pumping processes in a quadruplet spin-blockaded double quantum dot, Appl. Phys. Lett. 106, 172401 (2015).[] {Quantum Transport}

M. Yamamoto, Y. Tokura, Y. Hirayama, and S. Tarucha, Band shift, band Filling, and electron localization in a quantum wire detected via tunneling between parallel quantum wires, Journal of the Physical Society of Japan 84, 033710 (2015).[] {Quantum Transport}

H. Kiyama, T. Nakajima, S. Teraoka, A. Oiwa, and S. Tarucha, Spin-dependent current through a quantum dot from spin-polarized non-equilibrium quantum Hall edge channels, Phys. Rev. B 91, 155302 (2015).[] {Quantum Transport}

R.S. Deacon, A. Oiwa, J. Sailer, S. Baba, Y. Kanai, K. Shibata, K. Hirakawa, and S. Tarucha, Cooper pair splitting in parallel quantum dot Josephson junctions, Nature Communications 6, 7446 (2015). [] {Quantum Transport}

2014

J. Yoneda, T. Otsuka, T. Nakajima, T. Takakura, T. Obata, M. Pioro-Ladrière, H. Lu, C. J. Palmstrøm, A. C. Gossard, and S. Tarucha, Fast Electrical Control of Single Electron Spins in Quantum Dots with Vanishing Influence from Nuclear Spins, Phys. Rev. Lett. 113, 267601 (2014). [arXiv|doi|pdf] {Quantum Information}

S. Chesi, Y. Wang, J. Yoneda, T. Otsuka, S. Tarucha, and D. Loss, Single-spin manipulation in a double quantum dot in the field of a micromagnet Phys. Rev. B 90, 235311 (2014). [arXiv|doi|pdf] {Quantum Information}

M. R. Delbecq, T. Nakajima, T. Otsuka, S. Amaha, J. D. Watson, M. J. Manfra, and S. Tarucha, Full control of quadruple quantum dot circuit charge states in the single electron regime Appl. Phys. Lett. 104, 183111 (2014). [arXiv|doi|pdf] {Quantum Information}

Tomohiro Otsuka, Yuuki Sugihara, Jun Yoneda, Takashi Nakajima, and Seigo Tarucha, Measurement of Energy Relaxation in Quantum Hall Edge States Utilizing Quantum Point Contacts J. Phys. Soc. Jpn. 83, 014710 (2014). [arXiv|doi] {Quantum Transport}

G. Allison, T. Fujita, K. Morimoto, S. Teraoka, M. Larsson, H. Kiyama, A. Oiwa, S. Haffouz, D. G. Austing, A. Ludwig, A. D. Wieck, and S. Tarucha, Tuning of the electrically evaluated electron Landé g-factor in GaAs quantum dots and quantum wells of different well widths, Phys. Rev. B 90, 235310 (2014).[] {Quantum Transport}

S. Takada, C. Bäuerle, M. Yamamoto, S. Hermelin, T. Meunier, A. Alex, A. Weichselbaum, J. von Delft, A.D. Wieck, S. Tarucha, Transmission phase in the Kondo regime revealed in a two-path interferometer, Phys. Rev. Lett. 113, 126601 (2014). arXiv:1311.6884.[] {Quantum Transport}

A. Aharony, S. Takada, O. Entin-Wohlman, M. Yamamoto, and S. Tarucha, Aharonov-Bohm interferometry with a tunnel-coupled wire, New J. Phys. 16, 3015 (2014). arXiv:1312.5177. [] {Quantum Transport}

J. Kamioka, T. Kodera, K. Takeda, T. Obata, S. Tarucha, and S. Oda, Charge noise analysis of metal oxide semiconductor dual-gate Si/SiGe quantum point contacts, J. Appl. Phys. 115, 203709 1-5(2014).[] {Quantum Transport}

K. Morimoto, T. Fujita, G. Allison, S. Teraoka, M. Larsson, H. Kiyama, S. Haffouz, D.G. Austing, A. Ludwig, A.D. Wieck, A. Oiwa, and S. Tarucha, Single photoelectron detection after selective excitation of electron-heavy hole and electron-light hole pairs in double quantum dots, Phys. Rev. B 90, 085306 (2014).[] {Quantum Information}

H. Kiyama, T. Fujita, S. Teraoka, A. Oiwa, and S. Tarucha, Electrically tunable spin filtering for electron tunneling between spin-resolved quantum Hall edge states and a quantum dot, Appl. Phys. Lett. 104, 263101 (2014).[] {Quantum Transport}

T. Bautze, C. Sussmeier, S. Takada, C. Groth, T. Meunier, M. Yamamoto, S. Tarucha, W. Waintal, and C. Bauerle, Theoretical, numerical, and experimental study of a flying qubit electronic interferometer , Phys. Rev. B 89, 125432 (2014). [] {Quantum Information}

T. Takakura, A. Noiri, T. Obata, T. Otsuka, J. Yoneda, K. Yoshida, and S. Tarucha, Single to quadruple quantum dots with tunable tunnel couplings, Appl. Phys. Lett. 104, 113109 (2014).[] {Quantum Information}

S. Amaha, W. Izumida, T. Hatano, S. Tarucha, K. Kono, and K. Ono, "Spin blockade in a double quantum dot containing three electrons", Phys. Rev. B 89, 085302 (2014).[] {Quantum Information}}

H. Shioya, M.F. Craciun, S. Russo, M. Yamamoto, and S. Tarucha, Straining graphene using thin film shrinkage methods, Nano Lett. 14, 1158–1163 (2014).[] {Quantum Transport}