68 citations · 278 across the 6 of their papers we have counts for
6 papers
Coherence of a driven electron spin qubit actively decoupled from quasi-static noise
Takashi Nakajima, Akito Noiri, Kento Kawasaki +11
The coherence of electron spin qubits in semiconductor quantum dots suffers mostly from low-frequency noise. During the last decade, efforts have been devoted to mitigate such nois…
Quantum nondemolition measurement of an electron spin qubit
Takashi Nakajima, Akito Noiri, Jun Yoneda +11
Measurement of quantum systems inevitably involves disturbance in various forms. Within the limits imposed by quantum mechanics, however, one can design an "ideal" projective measu…
A fast quantum interface between different spin qubit encodings
A. Noiri, T. Nakajima, J. Yoneda +12
Single-spin qubits in semiconductor quantum dots proposed by Loss and DiVincenzo (LD qubits) hold promise for universal quantum computation with demonstrations of a high single-qub…
A triangular triple quantum dot with tunable tunnel couplings
A. Noiri, K. Kawasaki, T. Otsuka +9
A two-dimensional arrangement of quantum dots with finite inter-dot tunnel coupling provides a promising platform for studying complicated spin correlations as well as for construc…
Robust Single-Shot Spin Measurement with 99.5% Fidelity in a Quantum Dot Array
Takashi Nakajima, Matthieu R. Delbecq, Tomohiro Otsuka +11
We demonstrate a new method for projective single-shot measurement of two electron spin states (singlet versus triplet) in an array of gate-defined lateral quantum dots in GaAs. Th…
Detection and control of charge states in a quintuple quantum dot
Takumi Ito, Tomohiro Otsuka, Shinichi Amaha +8
A semiconductor quintuple quantum dot with two charge sensors and an additional contact to the center dot from an electron reservoir is fabricated to demonstrate the concept of sca…