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Related papers: Two-dimensional grating magneto-optical trap

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Diffraction gratings integrated into an atomic, molecular, and optical (AMO) setup offer a compact and efficient route toward atom cooling and trapping, thus preparing magneto-optical traps (MOT) for insertion into future scalable quantum…

Optics · Physics 2025-03-18 Elaheh Karooby , Jiazhen Li , Amit Agrawal , Qing Gu

We study the forces and optical pumping within grating magneto-optical traps (MOTs) operating on transitions with non-trivial level structure. In contrast to the standard six-beam MOT configuration, rate equation modelling predicts that the…

Atomic Physics · Physics 2026-01-16 D. S. Barker , P. K. Elgee , A. Sitaram , E. B. Norrgard , N. N. Klimov , G. K. Campbell , S. Eckel

The ultrafast and ultracold electron source, based on near-threshold photoionisation of a laser-cooled and trapped atomic gas, offers a unique combination of low transverse beam emittance and high bunch charge. Its use is however still…

Accelerator Physics · Physics 2019-02-12 J. G. H. Franssen , T. C. H. de Raadt , M. A. W. van Ninhuijs , O. J. Luiten

We present a 2D-MOT setup for the production of a continuous collimated beam of cold 87-Rb atoms out of a vapor cell. The underlying physics is purely two-dimensional cooling and trapping, which allows for a high flux of up to 6*10^(10)…

Atomic Physics · Physics 2007-05-23 J. Schoser , A. Bataer , R. Loew , V. Schweikhard , A. Grabowski , Yu. B. Ovchinnikov , T. Pfau

We have laser cooled 3$\times10^6$ $^{87}$Rb atoms to 3$\mu$K in a micro-fabricated grating magneto-optical trap (GMOT), enabling future mass-deployment in highly accurate compact quantum sensors. We magnetically trap the atoms, and use…

We demonstrate for the first time the two-color cooling and trapping of alkaline-earth atoms in a grating magneto-optical trap (gMOT). The trap is formed by a single incident laser beam together with four secondary beams that are generated…

Atomic Physics · Physics 2021-12-17 Saskia Bondza , Christian Lisdat , Stefanie Kroker , Tobias Leopold

We report on the design, implementation, and performance of a compact two-dimensional magneto-optical trap (2D MOT) for cesium. In a small-volume vacuum chamber, the setup uses cesium dispensers in close proximity to the trapping region of…

The grating-based magneto-optical trap (GMOT) is a promising approach for miniaturizing cold-atom systems. However, the power consumption of a GMOT system dominates its feasibility in practical applications. In this study, we demonstrated a…

Atomic Physics · Physics 2024-01-17 Zhilong Yu , Yumeng Zhu , Minghao Yao , Feng Qi , Liang Chen , Chang-ling Zou , Junyi Duan , Xiaochi Liu

Trapping lithium with a big number in a simplified experimental setup has difficulties and challenges today. In this paper, we experimentally demonstrate the enhancement of \textsuperscript{6}Li trapping efficiency in a three-dimensional…

Atomic Physics · Physics 2017-08-16 Kai Li , Dongfang Zhang , Tianyou Gao , Shi-Guo Peng , Kaijun Jiang

We report on a scheme for loading dysprosium atoms into a narrow-line three-dimensional magneto-optical trap (3D MOT). Our innovative approach replaces the conventional Zeeman slower with a 2D MOT operating on the broad 421-nm line to…

The grating magneto-optical trap (GMOT) requires only one beam and three planar diffraction gratings to form a cloud of cold atoms above the plane of the diffractors. Despite the complicated polarization arrangement, we demonstrate…

Atomic Physics · Physics 2013-10-15 J. Lee , J. A. Grover , L. A. Orozco , S. L. Rolston

Cold atoms are important for precision atomic applications including timekeeping and sensing. The 3D magneto-optical trap (3D-MOT), used to produce cold atoms, will benefit from photonic integration to improve reliability and reduce size,…

We report a compact setup with in-series two-dimensional magneto-optical traps (2D MOTs) that provides high-flux cold lithium and rubidium atoms. Thanks to the efficient short-distance Zeeman slowing, the maximum 3D MOT loading rate of…

Atomic Physics · Physics 2026-05-12 Yun-Xuan Lu , An-Wei Zhu , Christine E. Frank , Xin-Yi Huang , Xin-Yu Luo

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

This paper proposes a dual-color grating chip design method for simultaneously capturing dual atomic clouds (87Rb and 133Cs). By simulating key parameters such as the grating period, etching depth, duty cycle, coating material, and…

Atomic Physics · Physics 2024-12-20 Lei Xu , Muming Li , Zhilong Yu , Zheyu Liu , Junyi Duan , Fang Wang , Feng Zhao , Xiaochi Liu

Abstract The magneto-optical trap (MOT) is an essential tool for collecting and preparing cold atoms with a wide range of applications. We demonstrate a planar-integrated MOT by combining an optical grating chip with a magnetic coil chip.…

We describe a three-dimensional (3D) magneto-optical trap (MOT) capable of simultaneously capturing 85Rb and 133Cs atoms. Unlike conventional setups, our system utilizes two separate laser systems that are combined before entering the…

Laser-cooled atoms are increasingly being used to realise practical quantum devices, motivating the development of compact and robust atom sources. Grating magneto-optical traps (gMOTs) simplify the cold-atom source architecture but are…

Atomic Physics · Physics 2026-04-01 Rachel Cannon , Aidan S. Arnold , Paul F. Griffin , Erling Riis , Oliver S. Burrow

An on-chip multi-grating device is proposed to interface single-atoms and integrated photonic circuits, by guiding and focusing lasers to the area with ~10um above the chip for trapping, state manipulation, and readout of single Rubidium…

We report on an experimental realization of a two-dimensional magneto-optical trap (2D-MOT) that allows the generation of cold atomic beams of 39K and 41K bosonic potassium isotopes. The high measured fluxes up to 1.0x10^11 atoms/s and low…

Other Condensed Matter · Physics 2007-05-23 J. Catani , P. Maioli , L. De Sarlo , F. Minardi , M. Inguscio
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