Kouichi Semba - Publications, H-index & Citations

Kouichi Semba

Waseda University

31H指数

200论文数

4.8K被引数

收录论文 21

发表时间

Superconducting flux qubit with ferromagnetic Josephson π-junction operating at zero magnetic field

COMMUNICATIONS MATERIALS

IF9.6

2024-10-11

OAAI

Kim, Sunmi; Abdurakhimov, Leonid V.; Pham, Duong; Qiu, Wei; Terai, Hirotaka; Ashhab, Sahel; Saito, Shiro; Yamashita, Taro; Semba, Kouichi

Extremely large lamb shift in a deep-strongly coupled circuit QED system with a multimode resonator

SCIENTIFIC REPORTS

IF3.9

2023-07-13

OAAI

Ao, Ziqiao; Ashhab, Sahel; Yoshihara, Fumiki; Fuse, Tomoko; Kakuyanagi, Kosuke; Saito, Shiro; Aoki, Takao; Semba, Kouichi

Hamiltonian of a flux qubit-LC oscillator circuit in the deep-strong-coupling regime

SCIENTIFIC REPORTS

IF3.9

2022-04-26

OAAI

Yoshihara, F.; Ashhab, S.; Fuse, T.; Bamba, M.; Semba, K.

Deterministic three-photon down-conversion by a passive ultrastrong cavity-QED system

PHYSICAL REVIEW RESEARCH

IF4.2

2022-01-06

OAAI

Koshino, Kazuki; Shitara, Tomohiro; Ao, Ziqiao; Semba, Kouichi

Enhanced coherence of all-nitride superconducting qubits epitaxially grown on silicon substrate

COMMUNICATIONS MATERIALS

IF9.6

2021-09-20

OAAI

Kim, Sunmi; Terai, Hirotaka; Yamashita, Taro; Qiu, Wei; Fuse, Tomoko; Yoshihara, Fumiki; Ashhab, Sahel; Inomata, Kunihiro; Semba, Kouichi

π phase shifter based on NbN-based ferromagnetic Josephson junction on a silicon substrate

SCIENTIFIC REPORTS

IF3.9

2020-08-13

OAAI

Yamashita, Taro; Kim, Sunmi; Kato, Haruki; Qiu, Wei; Semba, Kouichi; Fujimaki, Akira; Terai, Hirotaka

Observation of dark states in a superconductor diamond quantum hybrid system (vol 5, 3524, 2014)

NATURE COMMUNICATIONS

IF15.7

2018-03-29

OAAI

Zhu, Xiaobo; Matsuzaki, Yuichiro; Amsuss, Robert; Kakuyanagi, Kosuke; Shimo-Oka, Takaaki; Mizuochi, Norikazu; Nemoto, Kae; Semba, Kouichi; Munro, William J.; Saito, Shiro

Efficient Single-Photon Coupling from a Nitrogen-Vacancy Center Embedded in a Diamond Nanowire Utilizing an Optical Nanofiber

SCIENTIFIC REPORTS

IF3.9

2017-10-11

OAAI

Yonezu, Yuya; Wakui, Kentaro; Furusawa, Kentaro; Takeoka, Masahiro; Semba, Kouichi; Aoki, Takao

Superconducting qubit-oscillator circuit beyond the ultrastrong-coupling regime

NATURE PHYSICS

IF18.4

2016-10-10

513

OAAI

Yoshihara, Fumiki; Fuse, Tomoko; Ashhab, Sahel; Kakuyanagi, Kosuke; Saito, Shiro; Semba, Kouichi

Observation of dark states in a superconductor diamond quantum hybrid system

NATURE COMMUNICATIONS

IF15.7

2014-04-08

OAAI

Zhu, Xiaobo; Matsuzaki, Yuichiro; Amsuess, Robert; Kakuyanagi, Kosuke; Shimo-Oka, Takaaki; Mizuochi, Norikazu; Nemoto, Kae; Semba, Kouichi; Munro, William J.; Saito, Shiro

Superconducting qubit as a quantum transformer routing entanglement between a microscopic quantum memory and a macroscopic resonator

PHYSICAL REVIEW B

IF3.7

2011-09-08

OAAI

Kemp, Alexander; Saito, Shiro; Munro, William J.; Nemoto, Kae; Semba, Kouichi

Quantum Zeno effect with a superconducting qubit

PHYSICAL REVIEW B

IF3.7

2010-11-23

OAAI

Matsuzaki, Y.; Saito, S.; Kakuyanagi, K.; Semba, K.

Coherent operation of a gap-tunable flux qubit

APPLIED PHYSICS LETTERS

IF3.6

2010-09-09

OAAI

Zhu, Xiaobo; Kemp, Alexander; Saito, Shiro; Semba, Kouichi

Electrical detection and magnetic-field control of spin states in phosphorus-doped silicon

PHYSICAL REVIEW B

IF3.7

2009-11-23

OAAI

Morishita, H.; Vlasenko, L. S.; Tanaka, H.; Semba, K.; Sawano, K.; Shiraki, Y.; Eto, M.; Itoh, K. M.

Cooling a micromechanical resonator by quantum back-action from a noisy qubit

PHYSICAL REVIEW B

IF3.7

2009-10-06

OAAI

Wang, Ying-Dan; Li, Yong; Xue, Fei; Bruder, C.; Semba, K.

Coupling superconducting flux qubits at optimal point via dynamic decoupling with the quantum bus

PHYSICAL REVIEW B

IF3.7

2009-01-07

OAAI

Wang, Ying-Dan; Kemp, A.; Semba, K.

Two-photon probe of the Jaynes-Cummings model and controlled symmetry breaking in circuit QED

NATURE PHYSICS

IF18.4

2008-06-29

161

OAAI

Deppe, Frank; Mariantoni, Matteo; Menzel, E. P.; Marx, A.; Saito, S.; Kakuyanagi, K.; Tanaka, H.; Meno, T.; Semba, K.; Takayanagi, H.; Solano, E.; Gross, R.

Phase coherent dynamics of a superconducting flux qubit with capacitive bias readout

PHYSICAL REVIEW B

IF3.7

2007-12-04

OAAI

Deppe, F.; Mariantoni, M.; Menzel, E. P.; Saito, S.; Kakuyanagi, K.; Tanaka, H.; Meno, T.; Semba, K.; Takayanagi, H.; Gross, R.

Long range and selective coupler for superconducting flux qubits

APPLIED PHYSICS LETTERS

IF3.6

2007-07-16

OAAI

Nakano, Hayato; Kakuyanagi, Kosuke; Ueda, Masahito; Semba, Kouichi