English
Related papers

Related papers: Planar Integrated Magneto Optical Trap

200 papers

We report the construction and characterization of an experimental setup for producing a cold gas of $^{40}$Ca atoms and excite them to high Rydberg states with a resonant three-photon-excitation scheme. The apparatus comprises four stages,…

We report on the design and characterization of a cold atom source for strontium (Sr) based on a two-dimensional magneto-optical trap (MOT) that is directly loaded from the atom jet of a dispenser. We characterize the atom flux of the…

Numerical methods are developed to simulate the dynamics of atoms in a Magneto-Optic Trap (MOT), based on the fluid description of ultracold gases under laser cooling and magnetic trapping forces. With this model, equilibrium hydrostatic…

Quantum Gases · Physics 2025-06-24 Francisco Raposo , Hugo Terças

Long range polarization forces between ions and neutral atoms result in large elastic scattering cross sections, e.g., 10^6 a.u. for Na+ on Na or Ca+ on Na at cold and ultracold temperatures. This suggests that a hybrid ion-neutral trap…

Atomic Physics · Physics 2012-09-17 D. S. Goodman , I. Sivarajah , J. E. Wells , F. A. Narducci , W. W. Smith

We present the properties and advantages of a new magneto-optical trap (MOT) where blue-detuned light drives `type-II' transitions that have dark ground states. Using $^{87}$Rb, we reach a radiation-pressure-limited density exceeding…

Atomic Physics · Physics 2018-02-28 K. N. Jarvis , J. A. Devlin , T. E. Wall , B. E. Sauer , M. R. Tarbutt

We present a detailed description on how to build a Thin WIre electroStatic Trap (TWIST) for ultracold polar molecules. It is the first design of an electrostatic trap that can be superimposed directly onto a magneto optical trap (MOT). We…

Atomic Physics · Physics 2009-11-13 J. Kleinert , C. Haimberger , P. J. Zabawa , N. P. Bigelow

Interfacing cold atoms with integrated nanophotonic devices could offer new paradigms for engineering atom-light interactions and provide a potentially scalable route for quantum sensing, metrology, and quantum information processing.…

Quantum Physics · Physics 2024-07-26 Xinchao Zhou , Hikaru Tamura , Tzu-Han Chang , Chen-Lung Hung

A mixed system of cooled and trapped, ions and atoms, paves the way for ion assisted cold chemistry and novel many body studies. Due to the different individual trapping mechanisms, trapped atoms are significantly colder than trapped ions,…

Atomic Physics · Physics 2012-11-01 K. Ravi , Seunghyun Lee , Arijit Sharma , G. Werth , S. A. Rangwala

Magneto-Optical Traps have been used for several decades. Among fundamental mechanisms occuring in such traps, the magnitude of the multiple scattering is still unclear. Indeed, many experimental situations cannot be modeled easily,…

Atomic Physics · Physics 2014-06-11 Rudy Romain , Hélène Louis , Philippe Verkerk , Daniel Hennequin

Monolithic integration of control technologies for atomic systems is a promising route to the development of quantum computers and portable quantum sensors. Trapped atomic ions form the basis of high-fidelity quantum information processors…

We demonstrate experimentally the continuous and pulsed loading of a slow and cold atomic beam into a magnetic guide. The slow beam is produced using a vapor loaded laser trap, which ensures two-dimensional magneto-optical trapping, as well…

Condensed Matter · Physics 2015-06-24 P. Cren , C. F. Roos , A. Aclan , J. Dalibard , D. Guéry-Odelin

An atom-chip-based integrated optical lattice system for cold and ultracold atom applications is presented. The retro-reflection optics necessary for forming the lattice are bonded directly to the atom chip, enabling a compact and robust…

We report a method for loading cold atoms into an optical trap with high initial phase-space density (PSD). When the trap beam is overlapped with atoms in optical molasses of optimized parameters including large cooling beam detuning…

Quantum Gases · Physics 2018-12-05 Kosuke Shibata , Shota Yonekawa , Satoshi Tojo

A novel cesium (Cs) two-color magneto-optical trap (TC-MOT), which partially employs the optical radiation forces due to photon scattering of the 6P3/2 (F'=5) - 7S1/2 (F"=4) excited-state transition in the Cs 6S1/2 - 6P3/2 - 7S1/2 (852 +…

Atomic Physics · Physics 2016-01-18 Jie Wang , Guang Yang , Baodong Yang , Jun He , Junmin Wang

The extreme miniaturization of a cold-atom interferometer accelerometer requires the development of novel technologies and architectures for the interferometer subsystems. Here we describe several component technologies and a laser system…

We demonstrate an efficient scheme for continuous trap loading based upon spatially selective optical pumping. We discuss the case of $^{1}$S$_{0}$ calcium atoms in an optical dipole trap (ODT), however, similar strategies should be…

Atomic Physics · Physics 2011-01-19 C. Y. Yang , P. Halder , O. Appel , D. Hansen , A. Hemmerich

We present a study on characteristics of a magneto-optical trap (MOT) as an optical lattice. Fluorescence spectra of atoms trapped in a MOT with a passively phase-stabilized beam configuration have been measured by means of the…

Atomic Physics · Physics 2015-04-10 Seokchan Yoon , Youngwoon Choi , Sungsam Kang , Wook-Rae Kim , Jung-Ryul Kim , Kyungwon An

We experimentally demonstrate cooling of trapped ions by collisions with co-trapped, higher mass neutral atoms. It is shown that the lighter $^{39}$K$^{+}$ ions, created by ionizing $^{39}$K atoms in a magneto-optical trap (MOT), when…

Atomic Physics · Physics 2017-03-23 Sourav Dutta , Rahul Sawant , S. A. Rangwala

Grating magneto-optical traps are an enabling quantum technology for portable metrological devices with ultracold atoms. However, beam diffraction efficiency and angle are affected by wavelength, creating a single-optic design challenge for…

We report the first efficient trapping of rare-earth Yb atoms with a high-power violet laser diode (LD). An injection-locked violet LD with a 25 mW frequency-stabilized output was used for the magneto-optical trapping (MOT) of fermionic as…

Atomic Physics · Physics 2009-11-10 Chang Yong Park , Tai Hyun Yoon