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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.…

Single atoms are interesting candidates for studying quantum optics and quantum information processing. Recently, trapping and manipulation of single atoms using tight optical dipole traps have generated considerable interest. Here we…

We have studied magneto-optical traps (MOTs) for efficient on-line trapping of radioactive atoms. After discussing a model of the trapping process in a vapor cell and its efficiency, we present the results of detailed experimental studies…

Atomic Physics · Physics 2014-11-18 S. N. Atutov , R. Calabrese , A. Facchini , G. Stancari , L. Tomassetti

We report magneto-optical trapping (MOT) of a polyatomic molecule, calcium monohydroxide (CaOH). The MOT contains $2.0(5)\times 10^4$ CaOH molecules at a peak density of $3.0(8)\times10^{6}$ cm$^{-3}$. CaOH molecules are further sub-Doppler…

Single Cesium atoms are cooled and trapped inside a small optical cavity by way of a novel far-off-resonance dipole-force trap (FORT), with observed lifetimes of 2 to 3 seconds. Trapped atoms are observed continuously via transmission of a…

Quantum Physics · Physics 2009-11-07 J. McKeever , J. R. Buck , A. D. Boozer , A. Kuzmich , H. -C. Naegerl , D. M. Stamper-Kurn , H. J. Kimble

We present a compact design of dual-beam Zeeman slower optimized for efficient production of cold atom applications. Traditional single-beam configurations face challenges from substantial residual atomic flux impacting downstream optical…

Atomic Physics · Physics 2026-02-25 Chen Chen , Kejun Liu , Dezhou Deng , Shuchang Ma , Peng Zhu , Zhichang He , J. F. Che , Xiaoxiao Wu , Peng Chen

Compact, lightweight, and energy-efficient cold atom systems are crucial for advancing quantum technologies, yet their realization remains constrained by the bulky optical and magnetic components required in current atom trapping…

We demonstrate a production of large-area $^{87}$Rb Bose-Einstein condensates (BECs) using a non-Gaussian optical dipole trap (ODT). The ODT is formed by focusing a symmetrically truncated Gaussian laser beam and it is shown that the beam…

Quantum Gases · Physics 2021-06-30 Younghoon Lim , Junhong Goo , Haneul Kwak , Yong-il Shin

Integrating precise, stable, ultra-low noise visible light lasers into atomic systems is critical for advancing quantum information sciences and improving scalability and portability. Trapped ions are a leading approach for high-fidelity…

Individual optical addressing in chains of trapped atomic ions requires generation of many small, closely spaced beams with low cross-talk. Furthermore, implementing parallel operations necessitates phase, frequency, and amplitude control…

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

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 study a novel repumping transition for $^{88}$Sr atoms trapped in a 'blue' magneto-optical trap. We show that, while the repumping efficiency is about three orders of magnitude smaller than for traditional schemes, it is sufficient for…

We suggest different simple schemes to efficiently load and evaporate a ''dimple'' crossed dipolar trap. The collisional processes between atoms which are trapped in a reservoir load in a non adiabatic way the dimple. The reservoir trap can…

Quantum Physics · Physics 2009-11-13 D. Comparat , A. Fioretti , G. Stern , E. Dimova , B. Laburthe Tolra , P. Pillet

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

We present a combined computational and experimental study to optimize the efficiency of evaporative cooling for atoms in optical dipole traps. By employing a kinetic model of evaporation, we provide a strategy for determining the optimal…

Quantum Gases · Physics 2013-05-21 Abraham J. Olson , Robert J. Niffenegger , Yong P. Chen

Highly-efficient quantum memories are essential for advancing quantum information processing technologies, including scalable quantum computing and quantum networks. We experimentally demonstrate a light storage and retrieval protocol in a…

Quantum Physics · Physics 2025-08-15 Shan Zhong , A. J. Sudler , D. Blume , Alberto M. Marino

We report optical trapping of laser-cooled molecules at sufficient density to observe molecule-molecule collisions for the first time in a bulk gas. SrF molecules from a red-detuned magneto-optical trap (MOT) are compressed and cooled in a…

Atomic Physics · Physics 2024-05-09 Varun Jorapur , Thomas K. Langin , Qian Wang , Geoffrey Zheng , David DeMille

Laser cooling of alkali atoms typically requires time-varying magnetic fields, introducing unwanted coupling between atom preparation and coherent operations. Here we demonstrate sub-Doppler laser cooling and optical transport of alkali…

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