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We present our technique to create a magneto-optical trap for dysprosium atoms using the narrow-line cooling transition at 626$\,$nm to achieve suitable conditions for direct loading into an optical dipole trap. The magneto-optical trap is…

Quantum Gases · Physics 2016-11-11 T. Maier , H. Kadau , M. Schmitt , A. Griesmaier , T. Pfau

Collective off resonant scattering of coherent light by a cold gas induces long-range interactions via interference of light scattered by different particles. In a 1D configuration these interactions grow particularly strong for particles…

Quantum Physics · Physics 2015-06-15 Tobias Grießer , Helmut Ritsch

We propose an array of ultracold polar molecules as a platform to study alignment transport between molecules. We envision a polar molecule being aligned with an intense off-resonant laser field whose alignment migrates to a nearby molecule…

Chemical Physics · Physics 2024-02-27 Jonathan Smucker , Jesus Pérez-Ríos

We present the design and simulation of a three-dimensional photonic crystal waveguide for linear laser-driven acceleration in vacuum. The structure confines a synchronous speed-of-light accelerating mode in both transverse dimensions. We…

Accelerator Physics · Physics 2009-12-10 Benjamin M. Cowan

We describe a new technique to accelerate and control a confined cloud of ultracold neutral atoms. In our configuration, a Bose-Einstein Condensate trapped in a ring is accelerated by using an amplitude-modulated optical potential. The…

Soft Condensed Matter · Physics 2015-06-25 Alicia V. Carpentier , Humberto Michinel

We study the dynamical evolution of cold atoms in crossed optical dipole trap theoretically and experimentally. The atomic transport process is accompanied by two competitive kinds of physical mechanics, atomic loading and atomic loss. The…

Quantum Physics · Physics 2024-05-16 Peng Peng , Zhengxi Zhang , Yaoyuan Fan , Guoling Yin , Dekai Mao , Xuzong Chen , Wei Xiong , Xiaoji Zhou

The propagation of light in moving media is dragged by atomic motion. The light-drag effect can be dramatically enhanced by reducing the group velocity with electro-magnetically induced transparency (EIT). We develop a systematic procedure…

Atomic Physics · Physics 2022-05-24 Yuzhuo Wang , Jian Zhao , Xing Huang , Liyang Qiu , Lingjing Ji , Yudi Ma , Yizun He , James P. Sobol , Saijun Wu

We show that with a purely blue-detuned cooling mechanism we can densely load single neutral atoms into large arrays of shallow optical tweezers. With this ability, more efficient assembly of larger ordered arrays will be possible - hence…

Atomic Physics · Physics 2019-04-08 M. O. Brown , T. Thiele , C. Kiehl , T. -W. Hsu , C. A. Regal

Microscopically controlled neutral atoms in optical tweezers and lattices have led to exciting advances in the study of quantum information and quantum many-body systems. The light shifts of atomic levels from the trapping potential in…

Atomic Physics · Physics 2017-02-08 Nicholas R. Hutzler , Lee R. Liu , Yichao Yu , Kang-Kuen Ni

The term `laser cooling' is applied to the use of optical means to cool the motional energies of either atoms and molecules, or micromirrors. In the literature, these two strands are kept largely separate; both, however suffer from severe…

Optics · Physics 2018-06-05 André Xuereb

We report on an efficient and compact high-flux Cs atom beam source based on a retro-reflected two-dimensional magneto-optical trap (2D MOT). We realize an effective pushing field component by tilting the 2D MOT collimators towards a…

Atomic Physics · Physics 2014-06-26 J. R. Kellogg , D. Schlippert , J. M. Kohel , R. J. Thompson , D. C. Aveline , N. Yu

We develop a theoretical formalism for the study of light-induced motion of atoms trapped in a two-dimensional (2D) array, considering the effect of multiple scattering of light between the atoms. We find that the atomic motion can be…

Quantum Physics · Physics 2018-10-03 Ephraim Shahmoon , Mikhail D. Lukin , Susanne F. Yelin

We report on the implementation of an optical tweezer system for controlled transport of ultracold atoms along a narrow, static confinement channel. The tweezer system is based on high-efficiency acousto-optical deflectors and offers…

A novel regime is proposed where, employing linearly polarized laser pulses at intensities $10^{21}\textrm{Wcm}^{-2}$ as two order of magnitude lower than earlier predicted [T. Esirkepov et al., Phys. Rev. Lett. 92, 175003 (2004)], ions are…

Plasma Physics · Physics 2015-06-04 B. Qiao , S. Kar , M. Geissler , P. Gibbon , M. Zepf , M. Borghesi

We report on the transport of ultracold cesium and rubidium atoms over $37.2\,$cm in under $25\,$ms using an optical conveyor belt formed by two counter-propagating beams with a controllable frequency difference that generate a movable…

I propose a method of deceleration and continuous loading of an atom beam into a far-off-resonance optical lattice. The loading of moving atoms into a conservative far-off-resonance potential requires the removal of the atom's excess…

Atomic Physics · Physics 2015-06-18 Vladyslav V. Ivanov

We present a theoretical analysis of the evaporative cooling of an atomic beam propagating in a magnetic guide. Cooling is provided by transverse evaporation. The atomic dynamics inside the guide is analyzed by solving the Boltzmann…

Statistical Mechanics · Physics 2009-10-31 E. Mandonnet , A. Minguzi , R. Dum , I. Carusotto , Y. Castin , J. Dalibard

We present a magneto-optical trap (MOT) design based on millimeter ball lenses, contained within a metal cube of 0.75$^{\prime \prime}$ side length. We present evidence of trapping approximately $4.2\times 10^5$ of $^{85}$Rb atoms with a…

Atomic Physics · Physics 2020-10-14 Cainan S. Nichols , Leo M. Nofs , Michael A. Viray , Lu Ma , Eric Paradis , Georg Raithel

Magneto-optical traps (MOTs) are widely used for laser cooling of atoms. We have developed a high-flux compact cold-atom source based on a pyramid MOT with a unique adjustable aperture that is highly suitable for portable quantum technology…

Atomic Physics · Physics 2021-07-07 Sean Ravenhall , Benjamin Yuen , Chris Foot

Single atoms movable from one place to another would enable a flying quantum memory that can be used for quantum communication and quantum computing at the same time. Guided atoms, e.g., by optical tweezers, provide a partial solution, but…

Quantum Physics · Physics 2023-10-11 Hansub Hwang , Andrew Byun , Juyoung Park , Sylvain de Leseleuc , Jaewook Ahn