Direct observation of ion micromotion in a linear Paul trap

Zhukas, Liudmila A.; Millican, Maverick J.; Švihra, Peter; Nomerotski, A.; Blinov, B. B.

doi:10.1103/physreva.103.023105

Cited by 24 publications

(11 citation statements)

References 23 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Since ions are located near the trap surfaces and are more susceptible to errant dc electric fields, that can shift the trapping position away from the RF null and cause excessive Micromotion. [6]…”

Section: Introductionmentioning

confidence: 99%

WITHDRAWN: The confined stability region for 40 Ca + ions in a linear Paul trap

Kazem

Saleh

2023

Preprint

View full text Add to dashboard Cite

As a result of the current increase in interest in quantum computing and the unrelenting attempt to develop and establish a quantum computer, Many researchers in this field have turned to designing appropriate algorithms or investigating the possibilities of controlling and manipulating the quantum state. One of the most promising techniques involves using single ionized atoms kept in Paul traps. Each ion's internal state represents the lowest quantum informational unit (a qubit). That research used the trapped ions 40Ca + to illustrate a quantum qubit. According to the Paul linear trap, one of the essential traps for confining ions in one dimension, they may be easily handled and controlled in the quantum state. We used MATLAB programs to simulate the factors affecting the confined state and their impact on it after resolving Mathieu's equation and determining the vibrational state of the ion. That consists of superposition cases between the secular monition and the Micromotion. The a and q values in Mathieu's equation are necessary for three-dimensional confinement for the solutions to be simultaneously stable in both directions. The parameter a depends on the Dc voltage, the ion's mass, the Radio frequencies, and the distance between the trap center and the electrodes. The control by a variable voltage provided it. In addition, it illustrates its effect in a specific chain of trapped ions. This study opens the door to understanding the ideal condition through which it ensures the best state of confinement and selecting what is necessary to reach the resonance state for ions transport from the state (4S1/2) to the state (4P1/2). After that, the manipulation of the quantum state begins.

show abstract

Section: Introductionmentioning

confidence: 99%

WITHDRAWN: The confined stability region for 40 Ca + ions in a linear Paul trap

Kazem

Saleh

2023

Preprint

View full text Add to dashboard Cite

show abstract

“…The intensified camera is singlephoton sensitive and provides time-stamping functionality in each pixel with precision of 1.6 ns, allowing for spatial and temporal resolution of images [29,30]. We also use a timedigital-converter (TDC) with 260 ps time resolution, built-in to the camera, to time-stamp pulses that are synchronized with Ω in order to observe micromotion [31]. The same camera has been used before for studies of ion crystals [32], single photon counting [33,34] and quantum optics experiments where simultaneous imaging and time-stamping of multiple single photons is required [35,36].…”

Section: Experimental System and Methodsmentioning

confidence: 99%

“…For the data taken using the we first fold single photon events into a single period τ of the RF drive (96.0 ns). The position of the ion is tracked over the period by fitting the image of each ion to a rotated elliptical Gaussian for frames that consist of equal increments in time, similarly to previously established methods [31]. The position over τ is then fit with a sinusoid according to Eq.…”

Section: Experimental System and Methodsmentioning

confidence: 99%

Two-tone Doppler cooling of radial two-dimensional crystals in a radiofrequency ion trap

Kato,

Goel,

Lee

et al. 2021

Preprint

Self Cite

View full text Add to dashboard Cite

We study the Doppler-cooling of radial two-dimensional (2D) Coulomb crystals of trapped barium ions in a radiofrequency trap. Ions in radial 2D crystals experience micromotion of an amplitude that increases linearly with the distance from the trap center, leading to a position-dependent frequency modulation of laser light in each ion's rest frame. We use two tones of Doppler-cooling laser light separated by approximately 100 MHz to efficiently cool distinct regions in the crystals with differing amplitudes of micromotion. This technique allows us to trap and cool more than 50 ions in a radial two-dimensional crystal. We also individually characterize the micromotion of all ions within the crystals, and use this information to locate the center of the trap and to determine the Matthieu parameters q x and q y .

show abstract

“…Imaging of these systems is done by collecting emitted fluorescence with high numerical aperture (NA) objectives which result in diffraction limited images. Nevertheless, analyzing the signal with statistical methods makes it possible to estimate the center of the wave packet with a precision of a few nanometers [10][11][12] or to observe micromotion [13]. Moreover, the positioning of ions and atoms [14] in optical standing-wave fields allows for sharply resolving its nodes or imaging atomic density distributions [15][16][17].…”

mentioning

confidence: 99%

Optical super-resolution sensing of a trapped ion's wave packet size

Drechsler,

Wolf,

Schmiegelow

et al. 2021

Preprint

View full text Add to dashboard Cite

Direct observation of ion micromotion in a linear Paul trap

Cited by 24 publications

References 23 publications

WITHDRAWN: The confined stability region for 40 Ca + ions in a linear Paul trap

WITHDRAWN: The confined stability region for 40 Ca + ions in a linear Paul trap

Two-tone Doppler cooling of radial two-dimensional crystals in a radiofrequency ion trap

Optical super-resolution sensing of a trapped ion's wave packet size

Contact Info

Product

Resources

About