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Related papers: Cavity cooling of an atomic array

200 papers

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

Optically trapped dielectric objects are well suited for reaching the quantum regime of their center of mass motion in an ultra-high vacuum environment. We show that ground state cooling of an optically trapped nanosphere is achievable when…

Quantum Physics · Physics 2015-06-23 Gambhir Ranjit , Cris Montoya , Andrew A. Geraci

We study how the thermalization time of a single radiation cavity-field mode changes drastically depending on the type of the atomic reservoir it interacts. Temporal evolution of the field is analyzed within the micromaser scheme, where…

Quantum Physics · Physics 2019-05-03 Deniz Türkpençe , Ricardo Román-Ancheyta

We analyze cavity-assisted cooling schemes for polar molecules in the microwave domain, where molecules are excited on a rotational transition and energy is dissipated via strong interactions with a lossy stripline cavity, as recently…

Quantum Physics · Physics 2009-12-21 Margareta Wallquist , Peter Rabl , Mikhail D. Lukin , Peter Zoller

By integrating tweezer arrays with a high-cooperativity ring cavity with chiral atom-cavity coupling, we demonstrate highly directional Bragg scattering from a programmable number of atoms. Through accurate control of the interatomic…

Localization to the ground state of axial motion is demonstrated for a single, trapped atom strongly coupled to the field of a high finesse optical resonator. The axial atomic motion is cooled by way of coherent Raman transitions on the red…

Quantum Physics · Physics 2009-11-13 A. D. Boozer , A. Boca , R. Miller , T. E. Northup , H. J. Kimble

A novel laser cooling mechanism based on many body effects is presented. The method can be applicable for cooling a large class of atoms and molecules in higher density than commonly excepted by existing methods. The cooling mechanism…

Atomic Physics · Physics 2021-03-11 Roie Dann , Ronnie Kosloff

We studied a single atom trapped in an optical tweezer interacting with a thermal bath of ultracold atoms of a different species. Because of the collisions between the trapped atom and the bath atoms, the trapped atom undergoes changes in…

Atomic Physics · Physics 2021-03-09 Rahul Sawant , Anna Maffei , Giovanni Barontini

We discuss a hybrid quantum system where a dielectric membrane situated inside an optical cavity is coupled to a distant atomic ensemble trapped in an optical lattice. The coupling is mediated by the exchange of sideband photons of the…

Quantum Physics · Physics 2013-02-18 B. Vogell , K. Stannigel , P. Zoller , K. Hammerer , M. T. Rakher , M. Korppi , A. Jöckel , P. Treutlein

In this article we study the frictionless cooling of atoms trapped in a harmonic potential, while minimizing the transient energy of the system. We show that in the case of unbounded control, this goal is achieved by a singular control,…

Optimization and Control · Mathematics 2014-01-17 Dionisis Stefanatos , Jr-Shin Li

The strong light-matter optomechanical coupling offered by Coherent Scattering (CS) set-ups have allowed the experimental realisation of quantum ground state cavity cooling of the axial motion of a levitated nanoparticle [U. Deli\'{c} et…

Quantum Physics · Physics 2021-04-27 Marko Toroš , Uroš Delić , Fagin Hales , Tania S. Monteiro

We propose a cavity based laser cooling and trapping scheme, providing tight confinement and cooling to very low temperatures, without degradation at high particle densities. A bidirectionally pumped ring cavity builds up a resonantly…

Quantum Physics · Physics 2009-11-10 Th. Elsaesser , B. Nagorny , A. Hemmerich

A laser cooling method for trapped atoms is described which achieves ground state cooling by exploiting quantum interference in a driven Lambda-shaped arrangement of atomic levels. The scheme is technically simpler than existing methods of…

Quantum Physics · Physics 2010-03-26 Giovanna Morigi , Juergen Eschner , Christoph H. Keitel

A theoretical study is carried out for the cavity cooling of a $\Lambda$-type three level atom in a high-finesse optical cavity with a weakly driven field. Analytical expressions for the friction, diffusion coefficients and the equilibrium…

Optics · Physics 2015-05-18 Lei Tan , Li-Wei Liu , Yan-Fen Sun

Sympathetic cooling with ultracold atoms and atomic ions enables ultralow temperatures in systems where direct laser or evaporative cooling is not possible. It has so far been limited to the cooling of other microscopic particles, with…

The number of atoms trapped within the mode of an optical cavity is determined in real time by monitoring the transmission of a weak probe beam. Continuous observation of atom number is accomplished in the strong coupling regime of cavity…

Quantum Physics · Physics 2007-05-23 J. McKeever , J. R. Buck , A. D. Boozer , H. J. Kimble

We study the mechanical effects of light on an atom trapped in a harmonic potential when an atomic dipole transition is driven by a laser and it is strongly coupled to a mode of an optical resonator. We investigate the cooling dynamics in…

Quantum Physics · Physics 2007-09-05 Stefano Zippilli , Giovanna Morigi , Wolfgang P. Schleich

We propose a technique aimed at cooling a harmonically oscillating mirror to its quantum mechanical ground state starting from room temperature. Our method, which involves the two-sided irradiation of the vibrating mirror inside an optical…

Quantum Physics · Physics 2009-11-13 M. Bhattacharya , P. Meystre

We analyze a possibility to trap, control and load a single atom inside a nanosize cavity formed in a photonic crystal. We consider a 1D nanobeam crystal having two nearly degenerate localized modes with mode maxima at the central air gap,…

We demonstrate the possibility of three-dimensional cooling of neutral atoms by illuminating them with two counterpropagating laser beams of mutually orthogonal linear polarization, where one of the lasers is a speckle field, i.e. a highly…

Atomic Physics · Physics 2009-10-31 Peter Horak , Jean-Yves Courtois , Gilbert Grynberg