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Kenta Takeda
Kenta Takeda
Verified email at riken.jp
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Year
A quantum-dot spin qubit with coherence limited by charge noise and fidelity higher than 99.9%
J Yoneda, K Takeda, T Otsuka, T Nakajima, MR Delbecq, G Allison, ...
Nature nanotechnology 13 (2), 102-106, 2018
6152018
A fault-tolerant addressable spin qubit in a natural silicon quantum dot
K Takeda, J Kamioka, T Otsuka, J Yoneda, T Nakajima, MR Delbecq, ...
Science advances 2 (8), e1600694, 2016
2112016
Fast universal quantum gate above the fault-tolerance threshold in silicon
A Noiri, K Takeda, T Nakajima, T Kobayashi, A Sammak, G Scappucci, ...
Nature 601 (7893), 338-342, 2022
1302022
Robust single-shot spin measurement with 99.5% fidelity in a quantum dot array
T Nakajima, MR Delbecq, T Otsuka, P Stano, S Amaha, J Yoneda, A Noiri, ...
Physical review letters 119 (1), 017701, 2017
66*2017
Quantum non-demolition measurement of an electron spin qubit
T Nakajima, A Noiri, J Yoneda, MR Delbecq, P Stano, T Otsuka, K Takeda, ...
Nature nanotechnology 14 (6), 555-560, 2019
582019
Quantum dephasing in a gated GaAs triple quantum dot due to nonergodic noise
MR Delbecq, T Nakajima, P Stano, T Otsuka, S Amaha, J Yoneda, ...
Physical review letters 116 (4), 046802, 2016
582016
Resonantly driven singlet-triplet spin qubit in silicon
K Takeda, A Noiri, J Yoneda, T Nakajima, S Tarucha
Physical Review Letters 124 (11), 117701, 2020
552020
Quantum tomography of an entangled three-qubit state in silicon
K Takeda, A Noiri, T Nakajima, J Yoneda, T Kobayashi, S Tarucha
Nature Nanotechnology 16 (9), 965-969, 2021
512021
Detection and control of charge states in a quintuple quantum dot
T Ito, T Otsuka, S Amaha, MR Delbecq, T Nakajima, J Yoneda, K Takeda, ...
Scientific reports 6 (1), 39113, 2016
442016
Coherent electron-spin-resonance manipulation of three individual spins in a triple quantum dot
A Noiri, J Yoneda, T Nakajima, T Otsuka, MR Delbecq, K Takeda, ...
Applied Physics Letters 108 (15), 153101, 2016
442016
Radio-frequency-detected fast charge sensing in undoped silicon quantum dots
A Noiri, K Takeda, J Yoneda, T Nakajima, T Kodera, S Tarucha
Nano Letters 20 (2), 947-952, 2020
432020
Coherent transfer of electron spin correlations assisted by dephasing noise
T Nakajima, MR Delbecq, T Otsuka, S Amaha, J Yoneda, A Noiri, ...
Nature communications 9 (1), 2133, 2018
402018
Quantum non-demolition readout of an electron spin in silicon
J Yoneda, K Takeda, A Noiri, T Nakajima, S Li, J Kamioka, T Kodera, ...
Nature communications 11 (1), 1144, 2020
362020
Characterization and suppression of low-frequency noise in Si/SiGe quantum point contacts and quantum dots
K Takeda, T Obata, Y Fukuoka, WM Akhtar, J Kamioka, T Kodera, S Oda, ...
Applied Physics Letters 102 (12), 123113, 2013
332013
Coherence of a driven electron spin qubit actively decoupled from quasistatic noise
T Nakajima, A Noiri, K Kawasaki, J Yoneda, P Stano, S Amaha, T Otsuka, ...
Physical Review X 10 (1), 011060, 2020
312020
A fast quantum interface between different spin qubit encodings
A Noiri, T Nakajima, J Yoneda, MR Delbecq, P Stano, T Otsuka, K Takeda, ...
Nature communications 9 (1), 5066, 2018
312018
Four single-spin Rabi oscillations in a quadruple quantum dot
T Ito, T Otsuka, T Nakajima, MR Delbecq, S Amaha, J Yoneda, K Takeda, ...
Applied Physics Letters 113 (9), 093102, 2018
302018
Single-electron spin resonance in a quadruple quantum dot
T Otsuka, T Nakajima, MR Delbecq, S Amaha, J Yoneda, K Takeda, ...
Scientific reports 6 (1), 31820, 2016
252016
A triangular triple quantum dot with tunable tunnel couplings
A Noiri, K Kawasaki, T Otsuka, T Nakajima, J Yoneda, S Amaha, ...
Semiconductor Science and Technology 32 (8), 084004, 2017
242017
Optimized electrical control of a Si/SiGe spin qubit in the presence of an induced frequency shift
K Takeda, J Yoneda, T Otsuka, T Nakajima, MR Delbecq, G Allison, ...
npj Quantum Information 4 (1), 54, 2018
192018
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