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Related papers: Inductive dressed ring traps for ultracold atoms

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We demonstrate the possibility of energy-selective removal of cold atoms from a tight optical trap by means of parametric excitation of the trap vibrational modes. Taking advantage of the anharmonicity of the trap potential, we selectively…

Atomic Physics · Physics 2009-11-07 N. Poli , R. J. Brecha , G. Roati , G. Modugno

We report on the use of radio-frequency optical atomic magnetometers for magnetic induction tomography measurements. We demonstrate the imaging of dummy targets of varying conductivities placed in the proximity of the sensor, in an…

Atomic Physics · Physics 2016-05-04 Cameron Deans , Luca Marmugi , Sarah Hussain , Ferruccio Renzoni

Using the tip of a scanning probe microscope as a local electrostatic gate gives access to real space information on electrostatics as well as charge transport at the nanoscale, provided that the tip-induced electrostatic potential is well…

Mesoscale and Nanoscale Physics · Physics 2020-11-13 A. Iordanescu , S. Toussaint , G. Bachelier , S. Fallahi , C. G. Gardner , M. J. Manfra , B. Hackens , B. Brun

We propose and demonstrate the laser cooling and trapping of Rydberg-dressed Sr atoms. By off-resonantly coupling the excited state of a narrow (7 kHz) cooling transition to a high-lying Rydberg state, we transfer Rydberg properties such as…

Atomic Physics · Physics 2018-05-09 A. D. Bounds , N. C. Jackson , R. K. Hanley , R. Faoro , E. M. Bridge , P. Huillery , M. P. A. Jones

We propose a method to generate a source of spin-polarized cold atoms which are continuously extracted and guided from a magneto-optical trap using an atom-diode effect. We show that it is possible to create a pipe-like potential by…

Atomic Physics · Physics 2013-03-15 Thomas Vanderbruggen , Morgan Mitchell

X-ray grating interferometry allows for the simultaneous acquisition of attenuation, differential-phase contrast, and dark-field images, resulting from X-ray attenuation, refraction, and small-angle scattering, respectively. The modulated…

A recently introduced tuning-dressed scheme makes a Bell and Bloom magnetometer suited to detect weak variations of a radio-frequency (RF) magnetic field. We envisage the application of such innovative detection scheme as an alternative (or…

Instrumentation and Detectors · Physics 2021-11-03 Giuseppe Bevilacqua , Valerio Biancalana , Yordanka Dancheva , Alessandro Fregosi , Gaetano Napoli , Antonio Vigilante

Interlaced Spin Grating is a scheme for the preparation of spectro-spatial periodic absorption gratings in a inhomogeneously broadened absorption profile. It relies on the optical pumping of atoms in a nearby long-lived ground state…

We demonstrate an integrated magnetic ``atom chip'' which transports cold trapped atoms near a surface with very high positioning accuracy. Time-dependent currents in a lithographic conductor pattern create a moving chain of magnetic…

Quantum Physics · Physics 2007-05-23 W. Hänsel , J. Reichel , P. Hommelhoff , T. W. Hänsch

Motivated by new capabilities to realise artificial gauge fields in ultracold atomic systems, and by their potential to access correlated topological phases in lattice systems, we present a new strategy for designing topologically…

Quantum Gases · Physics 2012-11-22 N. R. Cooper , R. Moessner

We introduce a new direction in the field of atom optics, atom interferometry, and neutral-atom quantum information processing. It is based on the use of microfabricated optical elements. With these elements versatile and integrated atom…

Quantum Physics · Physics 2009-11-06 G. Birkl , F. B. J. Buchkremer , R. Dumke , W. Ertmer

We have realized an interferometer using a thermal cloud of magnetically trapped rubidium 87 atoms on a chip. The interferometer resembles a Ramsey interferometer with a state selective spatial splitting of the two internal states as…

Atomic Physics · Physics 2026-04-16 B. Wirtschafter , C. I. Westbrook , M. Dupont-Nivet

We study the current dynamics of coupled atomic condensates flowing in two ring-shaped optical potentials. We provide a specific setup where the ring-ring coupling can be tuned in experimentally feasible way. It is demonstrated that the…

Quantum Physics · Physics 2014-01-22 Davit Aghamalyan , Luigi Amico , L. C Kwek

We investigate electrode geometries required to produce periodic 2-dimensional ion-trap arrays with the ions placed between two planes of electrodes. We present a generalization of previous methods for traps containing a single electrode…

Quantum Physics · Physics 2015-09-29 F. N. Krauth , J. Alonso , J. P. Home

Strong atom-photon interactions on scalable photonic platforms hold significant potential for both atomic and photonic quantum information platforms. In particular, trapping of a single atom on a planar photonic integrated resonator at the…

Large arrays of individually controlled atoms trapped in optical tweezers are a very promising platform for quantum engineering applications. However, to date, only disordered arrays have been demonstrated, due to the non-deterministic…

Recent advances in quantum information processing with trapped ions have demonstrated the need for new ion trap architectures capable of holding and manipulating chains of many (>10) ions. Here we present the design and detailed…

We report an experimental apparatus and technique which simultaneously traps ions and cold atoms with spatial overlap. Such an apparatus is motivated by the study of ion-atom processes at temperatures ranging from hot to ultra-cold. This…

Atomic Physics · Physics 2015-05-20 K. Ravi , Seunghyun Lee , Arijit Sharma , G. Werth , S. A. Rangwala

Cavity quantum electrodynamics systems using atoms in resonant optical cavities are central elements of many applications such as quantum networks and quantum-enhanced sensing. We present a novel experimental setup that achieves strong…

Atomic Physics · Physics 2025-03-25 T. Olney , V. Naniyil , V. Boyer , J. Goldwin , A. B. Deb

Optical tweezers have become essential tools to manipulate atoms or molecules at a single particle level. However, using standard diffracted-limited optical systems, the transverse size of the trap is lower bounded by the optical…