Related papers: Measuring a single atom's position with extreme sub-wavelength resolution and force measurements in the yoctonewton range

Measuring a single atom's position with extreme sub-wavelength resolution and force measurements in the yoctonewton range

URL: http://arxiv.org/abs/2407.18670v1
Date: Fri, 26 Jul 2024 11:19:50 GMT
Title: Measuring a single atom's position with extreme sub-wavelength resolution and force measurements in the yoctonewton range
Authors: P. H. Huber, P. Barthel, Th. Sriarunothai, G. S. Giri, S. Wölk, Ch. Wunderlich,
Abstract summary: The center-of-mass position of a single trapped atomic ion is measured and tracked in time with high precision. Measurements of an electrostatic force on a single ion demonstrate a sensitivity of 2.2 $times$ 10$-23 textN/sqrttextHz$.
Score: 0.0
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Abstract: The center-of-mass position of a single trapped atomic ion is measured and tracked in time with high precision. Employing a near-resonant radio frequency field of wavelength 2.37 cm and a static magnetic field gradient of 19 T/m, the spatial location of the ion is determined with an unprecedented wavelength-relative resolution of 5 $\times$ 10$^{-9}$, corresponding to an absolute precision of 0.12 nm. Measurements of an electrostatic force on a single ion demonstrate a sensitivity of 2.2 $\times$ 10$^{-23} ~\text{N}/\sqrt{\text{Hz}}$. The real-time measurement of an atom's position complements the well-established technique of scanning near-field radio frequency transmission microscopy and opens up a novel route to using this method with path breaking spatial and force resolution.

Related papers

Scheme for continuous force detection with a single electron at the $10^{-27}\mathrm{N}$ level [0.0]
We propose a new scheme for high-sensitivity continuous force detection using a single trapped electron. Despite the disparity in size between that of a single electron and the wavelength of the microwave field, it is possible to continuously monitor the charge's zero-point motion. This sensitivity improves on the state-of-the-art by four orders of magnitude and thus paves the way to novel precision experiments.
arXiv Detail & Related papers (2024-02-08T19:00:06Z)
Unambiguous measurement in an unshielded microscale magnetometer with sensitivity below 1 pT/rHz [0.0]
We describe how Hilbert-demodulated optical magnetometry can be realised on cold atom sensors. We measure a test field to be $ 86.0121261(4) ; mathrmmu T$ in a single shot, achieving dc sensitivity of 380 fT in a duration of 1000 ms.
arXiv Detail & Related papers (2023-09-21T06:56:18Z)
Penning-trap eigenfrequency measurements with optical radiofrequency detectors [34.38328889640297]
We measure the cyclotron-frequency ratios of the pairs $42$Ca$+$-40$Ca$+$ in a 7-tesla Penning trap. A single laser-cooled ion serves as a radiofrequency detector covering a broad-band frequency spectrum from kHz to a few MHz.
arXiv Detail & Related papers (2023-08-28T20:13:33Z)
Efficient site-resolved imaging and spin-state detection in dynamic two-dimensional ion crystals [39.58317527488534]
Resolving the locations and discriminating the spin states of individual trapped ions with high fidelity is critical for a large class of applications in quantum computing, simulation, and sensing. We report on a method for high-fidelity state discrimination in large two-dimensional (2D) crystals with over 100 trapped ions in a single trapping region, combining a hardware detector and an artificial neural network.
arXiv Detail & Related papers (2023-03-20T00:30:18Z)
Quantum precision measurement of two-dimensional forces with ${\bf 10^{-28}}$-Newton stability [3.208723972581594]
High-precision sensing of vectorial forces has broad impact on both fundamental research and technological applications. Recent years have witnessed much progress on sensing alternating electromagnetic forces for the rapidly advancing quantum technology.
arXiv Detail & Related papers (2022-08-10T14:31:53Z)
Position measurement of a levitated nanoparticle via interference with its mirror image [0.0]
We demonstrate a self-interference method to detect the particle's motion. We measure the particle's motion with a sensitivity of $1.7times 10-12 textm/sqrttextHz$, corresponding to a detection efficiency of 2.1%. As an application of this method, we cool the particle, via feedback, to temperatures below those achieved in the same setup using a standard position measurement.
arXiv Detail & Related papers (2021-12-30T09:55:24Z)
Spectral multiplexing of telecom emitters with stable transition frequency [68.8204255655161]
coherent emitters can be entangled over large distances using photonic channels. We observe around 100 individual erbium emitters using a Fabry-Perot resonator with an embedded 19 micrometer thin crystalline membrane. Our results constitute an important step towards frequency-multiplexed quantum-network nodes operating directly at a telecommunication wavelength.
arXiv Detail & Related papers (2021-10-18T15:39:07Z)
Continuous-Wave Frequency Upconversion with a Molecular Optomechanical Nanocavity [46.43254474406406]
We use molecular cavity optomechanics to demonstrate upconversion of sub-microwatt continuous-wave signals at $sim$32THz into the visible domain at ambient conditions. The device consists in a plasmonic nanocavity hosting a small number of molecules. The incoming field resonantly drives a collective molecular vibration, which imprints an optomechanical modulation on a visible pump laser.
arXiv Detail & Related papers (2021-07-07T06:23:14Z)
Super-resolved imaging of a single cold atom on a nanosecond timescale [38.305954220018315]
We demonstrate nano-scale two-second stroboscopic pictures of a single trapped ion beyond the optical diffraction limit. Our method provides a powerful tool for probing particle positions, momenta, and correlations, as well as their dynamics in cold atomic systems.
arXiv Detail & Related papers (2021-04-20T15:07:54Z)
Single-shot Stern-Gerlach magnetic gradiometer with an expanding cloud of cold cesium atoms [0.0]
We combine the Ramsey interferometry protocol, the Stern-Gerlach detection scheme, and the use of elongated geometry to measure the selected component of the magnetic field gradient along the atomic cloud in a single shot. The resolution of our single-shot gradiometer is not limited by thermal motion of atoms and has an estimated absolute accuracy below $pm0.2$mG/cm.
arXiv Detail & Related papers (2020-11-19T11:35:27Z)
High-Frequency Gravitational-Wave Detection Using a Chiral Resonant Mechanical Element and a Short Unstable Optical Cavity [59.66860395002946]
We suggest the measurement of the twist of a chiral mechanical element induced by a gravitational wave. The induced twist rotates a flat optical mirror on top of this chiral element, leading to the deflection of an incident laser beam. We estimate a gravitational wave strain sensitivity between 10-21/sqrtHz and 10-23/sqrtHz at around 10 kHz frequency.
arXiv Detail & Related papers (2020-07-15T20:09:43Z)

This list is automatically generated from the titles and abstracts of the papers in this site.