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We report laser cooling and trapping of yttrium monoxide (YO) molecules in an optical lattice. We show that gray molasses cooling remains exceptionally efficient for YO molecules inside the lattice with a molecule temperature as low as…

Atomic Physics · Physics 2022-06-07 Yewei Wu , Justin J. Burau , Kameron Mehling , Jun Ye , Shiqian Ding

We trap cold, ground-state, argon atoms in a deep optical dipole trap produced by a build-up cavity. The atoms, which are a general source for the sympathetic cooling of molecules, are loaded in the trap by quenching them from a cloud of…

Atomic Physics · Physics 2014-11-05 P. D. Edmunds , P. F. Barker

We describe new techniques in the construction of optical lattices to realize a coherent atom-based microscope, comprised of two atomic species used as target and probe atoms, each in an independently controlled optical lattice. Precise and…

We propose an experiment utilizing an array of cooled micro-cantilevers coupled to a sample of ultra-cold atoms trapped near a micro-fabricated surface. The cantilevers allow individual lattice site addressing for atomic state control and…

Quantum Physics · Physics 2015-05-13 Andrew A. Geraci , John Kitching

We show that thermalization of the motion of atoms at negative temperature is possible in an optical lattice, for conditions that are feasible in current experiments. We present a method for reversibly inverting the temperature of a trapped…

Statistical Mechanics · Physics 2007-05-23 A. P. Mosk

The semiclassical theory of laser cooling is applied for the analysis of cooling of unbound atoms with the values of the ground and exited state angular moments 1/2 in a one-dimensional nondissipative optical lattice. We show that in the…

Optics · Physics 2011-10-05 N. A. Matveeva , A. V. Taichenachev , A. M. Tumaikin , V. I. Yudin

We show how experimentally available bilayer lattice systems can be used to prepare quantum many-body states with exceptionally low entropy in one layer, by dynamically disentangling the two layers. This disentangling operation moves one…

Quantum Gases · Physics 2018-02-14 A. Kantian , S. Langer , A. J. Daley

We propose a scheme to implement an optical Kagome lattice for ultra-cold atoms with controllable s-wave interactions between nearest neighbor sites and a gauge potential. The atoms occupy three different internal atomic levels with…

Quantum Gases · Physics 2015-05-13 J. Ruostekoski

We present the experimental generation of large effective magnetic fields for ultracold atoms using photon-assisted tunneling in an optical superlattice. The underlying method does not rely on the internal structure of the atoms and…

We address the technical challenges when performing quantum information experiments with ultracold Rydberg atoms in lattice geometries. We discuss the following key aspects: (i) The coherent manipulation of atomic ground states, (ii) the…

Atomic Physics · Physics 2017-01-04 J. B. Naber , J. Vos , R. J. Rengelink , R. J. Nusselder , D. Davtyan

The ultracold atoms in a moving optical lattice with its high controllability is a feasible platform to research the transport phenomenon. Here, we study the transport process of ultracold atoms at the D band in a one-dimensional optical…

Quantum Gases · Physics 2023-02-07 Zhongcheng Yu , Jinyuan Tian , Peng Peng , Dekai Mao , Xuzong Chen , Xiaoji Zhou

We experimentally demonstrate a variation on a Sisyphus cooling technique that was proposed for cooling antihydrogen. In our implementation, atoms are selectively excited to an electronic state whose energy is spatially modulated by an…

We propose a new approach to characterizing the depths of optical lattices, in which an atomic gas is given a finite initial momentum, which leads to high amplitude oscillations in the zeroth diffraction order which are robust to…

Quantum Physics · Physics 2019-12-25 Benjamin T. Beswick , Ifan G. Hughes , Simon A. Gardiner

We describe a simple experimental technique which allows us to store a small and deterministic number of neutral atoms in an optical dipole trap. The desired atom number is prepared in a magneto-optical trap overlapped with a single focused…

Quantum Physics · Physics 2007-05-23 D. Frese , B. Ueberholz , S. Kuhr , W. Alt , D. Schrader , V. Gomer , D. Meschede

We report on the realization of a multi-orbital system with ultracold atoms in the excited bands of a 3D optical lattice by selectively controlling the band population along a given lattice direction. The lifetime of the atoms in the…

Other Condensed Matter · Physics 2008-04-23 Torben Mueller , Simon Foelling , Artur Widera , Immanuel Bloch

We report on the loading and trapping of ultracold atoms in a one dimensional permanent magnetic lattice of period 10 micron produced on an atom chip. The grooved structure which generates the magnetic lattice potential is fabricated on a…

Trapping and optically interfacing laser-cooled neutral atoms is an essential requirement for their use in advanced quantum technologies. Here we simultaneously realize both of these tasks with cesium atoms interacting with a multi-color…

Quantum Physics · Physics 2010-06-03 E. Vetsch , D. Reitz , G. Sagué , R. Schmidt , S. T. Dawkins , A. Rauschenbeutel

In a recent paper, we have proposed a novel laser cooling scheme for reducing collisional energy of a pair of atoms by using photoassociative transitions. In that paper, we considered two atoms in free space, that is we have not considered…

Atomic Physics · Physics 2017-03-22 Somnath Naskar , Subrata Saha , Partha Goswami , Arpita pal , Bimalendu Deb

We propose an alternative method to laser cooling. Our approach utilizes the extreme brightness of a supersonic atomic beam, and the adiabatic atomic coilgun to slow atoms in the beam or to bring them to rest. We show how internal-state…

We study the dynamical generation and storage of spin squeezed states, as well as more entangled states up to macroscopic superpositions, in a system composed of a few ultra-cold atoms trapped in a one-dimensional optical lattice. The…

Quantum Gases · Physics 2020-08-05 M. Płodzień , M. Kościelski , E. Witkowska , A. Sinatra