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pro vyhledávání: '"Saito,Ryoichi"'
The local modes of trapped ions can be used to construct an analog quantum simulator and a digital quantum computer. However, the control of the phonon hopping remains diffi cult because it proceeds among all the local modes through the Coulomb coupl
Externí odkaz:
http://arxiv.org/abs/2410.12286
Autor:
Saito, Ryoichi, Mukaiyama, Takashi
We investigate the control mechanism of trap frequencies and determine the orientation of ion trap principal axes. The application of DC voltage to the ground electrodes, commonly employed to finely tune trap frequencies in ion traps, leads to the ro
Externí odkaz:
http://arxiv.org/abs/2403.14383
Autor:
Saito, Ryoichi, Mukaiyama, Takashi
Interferometers, which are built using spatially propagating light or matter waves, are commonly used to measure physical quantities. These measurements are made possible by exploiting the interference between waves traveling along different paths. T
Externí odkaz:
http://arxiv.org/abs/2403.09982
Publikováno v:
Optics Continuum 2, 441(2023)
We developed an injection-locked Ti:sapphire laser at a wavelength of 671 nm where the fluorescence gain of the Ti:sapphire crystal is quite low. We obtained an output of more than 500 mW at a pump power of 10 W. The injection-locked lasing operates
Externí odkaz:
http://arxiv.org/abs/2211.05349
Autor:
Saito, Ryoichi, Mukaiyama, Takashi
We demonstrate the generation of a trapped ion oscillator having large oscillation amplitude of $16.9~{\rm \mu m}$. Applying an offset voltage to the ion trap electrode helped achieve a displacement of the trap center within the time scale of 5 ns. T
Externí odkaz:
http://arxiv.org/abs/2103.16308
Publikováno v:
Journal of Applied Physics 129, 124302 (2021)
We demonstrate a method of micromotion minimization of a trapped ion in a linear Paul trap based on the precision measurement of the ion trapping position displacement due to a stray electric field in the radial plane by ion fluorescence imaging. The
Externí odkaz:
http://arxiv.org/abs/2102.00788
Publikováno v:
Phys. Rev. Lett. 126, 153604 (2021)
We report on a demonstration of Ramsey interferometry by three-dimensional motion with a trapped $^{171}Yb^+$ ion. We applied a momentum kick to the ion in a direction diagonal to the trap axes to initiate three-dimensional motion using a mode-locked
Externí odkaz:
http://arxiv.org/abs/2011.08396
Autor:
Naoi, Sotaro, Yamane, Mizuki, Nemoto, Takayuki, Kato, Motohiro, Saito, Ryoichi, Tachibana, Tatsuhiko
Publikováno v:
In Drug Metabolism and Pharmacokinetics December 2023 53
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