Super-resolved Imaging of a Single Cold Atom on a Nanosecond Timescale

Qian, Zhong-Hua; Cui, Jin-Ming; Luo, Xi-Wang; Zheng, Yong-Xiang; Huang, Yun‐Feng; Ai, Ming-Zhong; He, Ran; Li, Chuan‐Feng; Guo, Guang‐Can

doi:10.1103/physrevlett.127.263603

Cited by 14 publications

(3 citation statements)

References 56 publications

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“…Moreover, we demonstrate how more complex features arise if the spatial position of the atomic absorber is varied transversally across the beam Solyanik-Gorgone et al [2019], Afanasev et al [2018]. This can be either realized by scanning the ion's position across the beam or by moving the beam with respect to a fixed absorber Drechsler et al [2021], Qian et al [2021]. Finally, we extend the theoretical framework accounting for the atomic center-of-mass motion, which is fundamental to describe tightly bound neutral atoms in optical tweezers, or trapped ions in Paul traps.…”

Section: Introductionmentioning

confidence: 97%

Die Anfänge des Frauenstudiums an der Johannes Gutenberg-Universität Mainz

George¹

2023

Frauen an Der Johannes Gutenberg-Universität Mainz (1946–2022)

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Spatially-structured laser beams, eventually carrying orbital angular momentum, affect electronic transitions of atoms and their motional states in a complex way. We present a general framework, based on the spherical tensor decomposition of the interaction Hamiltonian, for computing atomic transition matrix elements for light fields of arbitrary spatial mode and polarization structures. We study both the bare electronic matrix elements, corresponding to transitions with no coupling to the atomic center-of-mass motion, as well as the matrix elements describing the coupling to the quantized atomic motion in the resolved side-band regime. We calculate the spatial dependence of electronic and motional matrix elements for tightly focused Hermite-Gaussian, Laguerre-Gaussian and for radially and azimuthally polarized beams. We show that near the diffraction limit, all these beams exhibit longitudinal fields and field gradients, which strongly affect the selection rules and could be used to tailor the light-matter interaction. The presented framework is useful for describing trapped atoms or ions in spatially-structured light fields and therefore for designing new protocols and setups in quantum optics, -sensing and -information processing.

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Section: Introductionmentioning

confidence: 97%

Die Anfänge des Frauenstudiums an der Johannes Gutenberg-Universität Mainz

George¹

2023

Frauen an Der Johannes Gutenberg-Universität Mainz (1946–2022)

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“…Moreover, we demonstrate how more complex features arise if the spatial position of the atomic absorber is varied transversally across the beam 13 , 29 . This can be either realized by scanning the ion’s position across the beam or by moving the beam with respect to a fixed absorber 26 , 30 . Finally, we extend the theoretical framework accounting for the atomic center-of-mass motion, which is fundamental to describe tightly bound neutral atoms in optical tweezers, or trapped ions in Paul traps.…”

Section: Introductionmentioning

confidence: 99%

Trapped atoms in spatially-structured vector light fields

Verde,

Schmiegelow,

Poschinger

et al. 2023

Sci Rep

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Spatially-structured laser beams, eventually carrying orbital angular momentum, affect electronic transitions of atoms and their motional states in a complex way. We present a general framework, based on the spherical tensor decomposition of the interaction Hamiltonian, for computing atomic transition matrix elements for light fields of arbitrary spatial mode and polarization structures. We study both the bare electronic matrix elements, corresponding to transitions with no coupling to the atomic center-of-mass motion, as well as the matrix elements describing the coupling to the quantized atomic motion in the resolved side-band regime. We calculate the spatial dependence of electronic and motional matrix elements for tightly focused Hermite–Gaussian, Laguerre–Gaussian and for radially and azimuthally polarized beams. We show that near the diffraction limit, all these beams exhibit longitudinal fields and field gradients, which strongly affect the selection rules and could be used to tailor the light-matter interaction. The presented framework is useful for describing trapped atoms or ions in spatially-structured light fields and therefore for designing new protocols and setups in quantum optics, -sensing and -information processing. We provide open code to reproduce our results or to evaluate interaction matrix elements for different transition types, beam structures and interaction geometries.

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“…Examples from applied optics are the broad fields of high-resolution microscopy [20][21][22][23][24][25] and nano-lithography [15,[26][27][28][29]. Finally, also investigations of fundamental quantum physics, e.g., the measurement of the wave function of individual or ensembles of atoms, at resolutions below the diffraction limit become possible [30][31][32][33].…”

Section: Introductionmentioning

confidence: 99%

Confining atomic populations in space via stimulated Raman adiabatic passage in a doped solid

Stabel¹,

Leo²,

Halfmann³

2022

J. Phys. B: At. Mol. Opt. Phys.

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We experimentally demonstrate spatial confinement of atomic excitation by adiabatic passage processes in a rare-earth ion-doped Pr3+:Y2SiO5 crystal. In particular, we apply stimulated Raman adiabatic passage (STIRAP) and compare its performance with electromagnetically induced transparency (EIT). Using a Stokes beam with Gaussian and a pump beam with donut shape we localize the atomic population in the zero-intensity center of the latter. Our data confirm that adiabatic passage confines excitation far below the diameter of the driving laser beams, and that this localization rapidly increases with laser intensity. We find, that STIRAP significantly outperforms EIT, as it was predicted by previous theory proposals, i.e., STIRAP reaches small excitation volumes with much lower laser intensity. The experimental data agree very well with numerical simulations. The findings serve as a step towards new applications for STIRAP, to prepare excitation regions or population patterns in space with large resolution.

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Super-resolved Imaging of a Single Cold Atom on a Nanosecond Timescale

Cited by 14 publications

References 56 publications

Die Anfänge des Frauenstudiums an der Johannes Gutenberg-Universität Mainz

Die Anfänge des Frauenstudiums an der Johannes Gutenberg-Universität Mainz

Trapped atoms in spatially-structured vector light fields

Confining atomic populations in space via stimulated Raman adiabatic passage in a doped solid

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