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Laser treatment has emerged into a cornerstone of industrial manufacturing. This creates the demand to understand in detail the involved physical processes and their dynamics, to control the process, and to keep guard in-situ the laser…

光学 · 物理学 2025-12-16 Jörn Bonse

Chemical reactions can be surprisingly efficient at ultracold temperatures ( < 1mK) due to the wave nature of atoms and molecules. The study of reactions in the ultracold regime is a new research frontier enabled by cooling and trapping…

原子物理 · 物理学 2017-01-16 Lee R. Liu , Jessie T. Zhang , Yichao Yu , Nicholas R. Hutzler , Yu Liu , Till Rosenband , Kang-Kuen Ni

A quantum network which consists of several components should ideally work on a single physical platform. Neutral alkali atoms have the potential to be very well suited for this purpose due to their electronic structure which involves long…

量子物理 · 物理学 2015-05-18 T. Baluktsian , C. Urban , T. Bublat , H. Giessen , R. Löw , T. Pfau

We experimentally demonstrate thermo-optic locking of a semiconductor laser to an integrated toroidal optical microresonator. The lock is maintained for time periods exceeding twelve hours, without requiring any electronic control systems.…

光学 · 物理学 2015-05-14 T. G. McRae , K. H. Lee , M. McGovern , D. Gwyther , W. P. Bowen

Mode-locked lasers have been widely used to explore interactions between optical solitons, including bound-soliton states that may be regarded as "photonic molecules". Conventional mode-locked lasers can however host at most only a few…

光学 · 物理学 2020-04-27 Wenbin He , Meng Pang , Dung-Han Yeh , Jiapeng Huang , Philip St. J. Russell

Since the advent of atom laser-cooling, trapping or cooling natural molecules has been a long standing and challenging goal. Here, we demonstrate a method for laser-trapping molecules that is radically novel in its configuration, in its…

光学 · 物理学 2015-06-04 M. Alharbi , A. Husakou , B. Debord , F. Gerome , F. Benabid

Microfabricated alkali vapor cells are key to enable miniature devices such as atomic clocks and optically pumped magnetometers with reduced size, weight and power. Yet, more versatile fabrication methods are still needed to further expand…

Some practical improvements are proposed for the "optical-shaker" laser-cooling technique [I.S. Averbukh and Y. Prior, Phys. Rev. Lett. 94, 153002 (2005)]. The improved technique results in an increased cooling rate and decreases the…

原子物理 · 物理学 2009-01-14 Louis Marmet

A dichroic atomic vapor laser lock (DAVLL) system exploiting buffer-gas-filled millimeter-scale vapor cells is presented. This system offers similar stability as achievable with conventional DAVLL system using bulk vapor cells, but has…

仪器与探测器 · 物理学 2016-07-08 S. Pustelny , V. Schultze , T. Scholtes , D. Budker

The laser beam weldability of acrylonitrile/butadiene/styrene (ABS) plates is determined by combining both experimental and theoretical aspects. In modeling the process, an optical model is used to determine how the laser beam is attenuated…

光学 · 物理学 2010-02-08 Mariana Ilie , Dominique Grevey , Simone Mattei , Eugen Cicala , Virgil Stoica

The subject of this review are atom traps based on optical dipole forces in laser fields, along with their unique features as storage devices at ultralow energies. The basic physics of the dipole interaction is discussed, and the…

原子物理 · 物理学 2007-05-23 Rudolf Grimm , Matthias Weidemüller , Yurii B. Ovchinnikov

A method of electron beam cooling is considered which can be used for linear colliders. The electron beam is cooled during collision with focused powerful laser pulse. The ultimate transverse emittances are much below those achievable by…

高能物理 - 实验 · 物理学 2009-10-31 Valery Telnov

We present a technical guide to developing a quantum-mechanical system with co-trapped laser-cooled ions and electrons, aiming to utilize this mixed-species system in quantum computing and sensing. We outline a method to control the…

量子物理 · 物理学 2025-10-08 Niklas Vilhelm Lausti , Vineet Kumar , Ivan Hudák , Michal Tarana , Michal Hejduk

A laser cooling method for trapped atoms is described which achieves ground state cooling by exploiting quantum interference in a driven Lambda-shaped arrangement of atomic levels. The scheme is technically simpler than existing methods of…

量子物理 · 物理学 2010-03-26 Giovanna Morigi , Juergen Eschner , Christoph H. Keitel

Experiments using laser cooled atoms and ions show real promise for practical applications in quantum- enhanced metrology, timing, navigation, and sensing as well as exotic roles in quantum computing, networking and simulation. The heart of…

仪器与探测器 · 物理学 2015-06-19 Joseph Rushton , Matthew Aldous , Matt Himsworth

All light has structure, but only recently it has become possible to construct highly controllable and precise potentials so that most laboratories can harness light for their specific applications. In this chapter, we review the emerging…

Currently laser cooling schemes are fundamentally based on the weak coupling regime. This requirement sets the trap frequency as an upper bound to the cooling rate. In this work we present a numerical study that shows the feasibility of…

量子物理 · 物理学 2015-05-18 S. Machnes , M. B. Plenio , B. Reznik , A. M. Steane , A. Retzker

We explore, theoretically and experimentally, a method for cooling a broadband heat reservoir, via its laser-assisted collisions with two-level atoms followed by their fluorescence. This method is shown to be advantageous compared to…

量子物理 · 物理学 2015-03-02 D. Gelbwaser-Klimovsky , K. Szczygielski , U. Vogl , A. Saß , R. Alicki , G. Kurizki , M. Weitz

We propose a new laser cooling method for atomic species whose level structure makes traditional laser cooling difficult. For instance, laser cooling of hydrogen requires single-frequency vacuum-ultraviolet light, while multielectron atoms…

原子物理 · 物理学 2015-06-26 D. Kielpinski

Nonlinear spectroscopy employs a series of laser pulses to interrogate dynamics in large interacting many-body systems, and has become a highly successful method for experiments in chemical physics. Current quantum optical experiments…

量子物理 · 物理学 2016-10-19 Frank Schlawin , Manuel Gessner , Shaul Mukamel , Andreas Buchleitner