4 papers
Concatenated continuous driving of silicon qubit by amplitude and phase modulation
Takuma Kuno, Takeru Utsugi, Andrew J. Ramsay +22
The rate of coherence loss is lower for a qubit under the Rabi drive than a freely evolving qubit . Building on this principle, concatenated continuous d…
Generation of a single-cycle surface acoustic wave pulse on LiNbO for application to thin film materials
Koji Fujiwara, Shunsuke Ota, Tetsuo Kodera +5
Surface acoustic wave (SAW) technology has been explored in thin-film materials to discover fundamental phenomena and to investigate their physical properties. It is used to excite…
Suppression of Electromagnetic Crosstalk by Differential Excitation for SAW Generation
Shunsuke Ota, Yuma Okazaki, Shuji Nakamura +6
Surface acoustic waves (SAWs) hold a vast potential in various fields such as spintronics, quantum acoustics, and electron-quantum optics, but an electromagnetic wave emanating fro…
On-Demand Single-Electron Source via Single-Cycle Acoustic Pulses
Shunsuke Ota, Junliang Wang, Hermann Edlbauer +10
Surface acoustic waves (SAWs) are a reliable solution to transport single electrons with precision in piezoelectric semiconductor devices. Recently, highly efficient single-electro…