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Related papers: Enhanced Magnetic Trap Loading for Atomic Strontiu…

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We report continuous loading of $^{\textrm{87}}$Rb atoms in a magneto-optical trap (MOT) at narrow linewidth, 420 nm 5S$_{1/2}$, F$=2\rightarrow$ 6P$_{3/2}$, F$=3$ blue transition (blue MOT). Continuous loading of the blue MOT is achieved…

Atomic Physics · Physics 2024-06-12 Rajnandan Choudhury Das , Samir Khan , Thilagaraj R , Kanhaiya Pandey

Reconfigurable arrays of trapped single atoms are an excellent platform for the simulation of many-body physics and the realisation of high-fidelity quantum gates. The confinement of atoms is often achieved with focussed laser beams acting…

Quantum Physics · Physics 2025-01-28 Mark IJspeert , Naomi Holland , Benjamin Yuen , Axel Kuhn

We demonstrate a method to enhance the atom loading rate of a ytterbium (Yb) magneto-optic trap (MOT) operating on the 556 nm ${^1S}_0 \rightarrow {^3P}_1$ intercombination transition (narrow linewidth $\Gamma_g = 2\pi \times 182$ kHz).…

We present a dual isotope magneto-optical trap (MOT), simultaneous sub-Doppler laser cooling, and magnetic trapping of a spin-polarized $^{39}$K-$^{40}$K Bose-Fermi mixture realized in a single-chamber setup with an unenriched potassium…

Atomic Physics · Physics 2024-05-02 Mateusz Bocheński , Jakub Dobosz , Mariusz Semczuk

We present an experimental setup to laser cool and trap a large number of Ytterbium atoms. Our design uses an oven with an array of microtubes for efficient collimation of the atomic beam and we implement a magneto-optical trap of…

Atomic Physics · Physics 2023-08-02 Hector Letellier , Álvaro Mitchell Galvão de Melo , Anaïs Dorne , Robin Kaiser

In this paper, we present a technique for magneto-optical cooling and trapping of neutral atoms using a single laser. The alternating-frequency magneto-optical trap (AF-MOT) uses an agile light source that sequentially switches between…

Atomic Physics · Physics 2019-10-15 B. Wiegand , B. Leykauf , K. Döringshoff , Y. D. Gupta , A. Peters , M. Krutzik

We present a versatile and compact electron beam driven source for alkali metal atoms, which can be implemented in cryostats. With a heat load of less than 10mW, the heat dissipation normalized to the atoms loaded into the magneto-optical…

A magneto-optical trap (MOT) of atoms or molecules is studied when two lasers of different detunings and polarization are used. Especially for $J\rightarrow J,J-1$ transitions, a scheme using more than one frequency per transition and…

Quantum Physics · Physics 2016-06-22 Anne Cournol , Pierre Pillet , Hans Lignier , Daniel Comparat

We demonstrate a Magneto-Optical Trap (MOT) configuration which employs optical forces due to light scattering between electronically excited states of the atom. With the standard MOT laser beams propagating along the {\it x}- and {\it y}-…

Atomic Physics · Physics 2012-12-05 Saijun Wu , Thomas Plisson , Roger Brown , William D. Phillips , J. V. Porto

Recent experiments have demonstrated direct cooling and trapping of diatomic and triatomic molecules in magneto-optical traps (MOTs). However, even the best molecular MOTs to date still have density $10^{-5}$ times smaller than in typical…

Atomic Physics · Physics 2023-04-19 Thomas K. Langin , David DeMille

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

We describe an atom trapping mechanism based upon differential optical pumping between metastable hyperfine states by partially-displaced laser beams in the absence of a magnetic field. With realistic laser powers, trap spring constants…

Atomic Physics · Physics 2015-06-15 Nathan Cooper , Tim Freegarde

We realize the first magneto-optical trap of an atom in main group III of the Periodic Table. Our atom of choice (indium) does not have a transition out of its ground state suitable for laser cooling; therefore, laser cooling is performed…

Atomic Physics · Physics 2022-06-09 Xianquan Yu , Jinchao Mo , Tiangao Lu , Ting You Tan , Travis L. Nicholson

Direct loading of lanthanide atoms into magneto-optical traps (MOTs) from a very slow cryogenic buffer gas beam source is achieved, without the need for laser slowing. The beam source has an average forward velocity of 60-70\,m/s and a…

Atomic Physics · Physics 2014-07-01 Boerge Hemmerling , Garrett K. Drayna , Eunmi Chae , Aakash Ravi , John M. Doyle

Beams of neutral polar molecules in a low-field seeking quantum state can be slowed down using a Stark decelerator, and can subsequently be loaded and confined in electrostatic quadrupole traps. The efficiency of the trap loading process is…

We demonstrate a compact magneto-optical trap (MOT) of alkaline-earth atoms using a nanofabricated diffraction grating chip. A single input laser beam, resonant with the broad $^1$S$_0\,\rightarrow \,^1$P$_1$ transition of strontium, forms…

Atomic Physics · Physics 2020-10-28 A. Sitaram , P. K. Elgee , G. K. Campbell , N. N. Klimov , S. Eckel , D. S. Barker

We demonstrate the enhancement and optimization of a cold strontium atomic beam from a two-dimensional magneto-optical trap (2D-MOT) transversely loaded from a collimated atomic beam by adding a sideband frequency to the cooling laser. The…

Atomic Physics · Physics 2020-01-10 Matteo Barbiero , Marco G. Tarallo , Davide Calonico , Filippo Levi , G. Lamporesi , G. Ferrari

We demonstrate a simple and compact approach to laser cool and trap atoms based on laser-induced thermal ablation (LITA) of a pure solid granule. A rapid thermalisation of the granule leads to a fast recovery of the ultra-high vacuum…

Atomic Physics · Physics 2022-01-19 Chung Chuan Hsu , Rémy Larue , Chang Chi Kwong , David Wilkowski

We present the design, implementation and characterization of a dual-species magneto-optical trap (MOT) for fermionic 6Li and 40K atoms with large atom numbers. The MOT simultaneously contains 5.2x10^9 6Li-atoms and 8.0x10^9 40K-atoms,…

We describe experiments demonstrating efficient transfer of molecules from a magneto-optical trap (MOT) into a conservative magnetic quadrupole trap. Our scheme begins with a blue-detuned optical molasses to cool SrF molecules to $\sim\!50$…

Atomic Physics · Physics 2018-07-11 D. J. McCarron , M. H. Steinecker , Y. Zhu , D. DeMille