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We recently reported on a proof-of-principle experiment demonstrating optical trapping of an ion in a single-beam dipole trap superimposed by a static electric potential [Nat. Photonics 4, 772--775 (2010)]. Here, we first discuss the…

Atomic Physics · Physics 2015-06-03 Christian Schneider , Martin Enderlein , Thomas Huber , Stephan Dürr , Tobias Schaetz

Paul traps are devices that confine particles using an alternating electric field and have been used in undergraduate experimental classes at universities. Owing to the requirement of a high voltage ($> 10^3$ V), Paul traps are not used in…

Physics Education · Physics 2024-02-28 R. J. Saito , T. A. Tanaka , Y. Sakemi , M. Yagyu , K. S. Tanaka

Visualization and manipulation of nanoscale matter is one of the main and current challenges in nanosciences. To this aim, different techniques have been recently developed to non-invasively trap and manipulate nano-specimens, like…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Irene Alda , Johann Berthelot , Raúl A. Rica , Romain Quidant

We describe one-dimensional photonic crystals that support a guided mode suitable for atom trapping within a unit cell, as well as a second probe mode with strong atom-photon interactions. A new hybrid trap is analyzed that combines optical…

Optics · Physics 2013-09-17 C. -L. Hung , S. M. Meenehan , D. E. Chang , O. Painter , H. J. Kimble

We are developing a new hybrid atom-ion trap to study the interaction of ultracold rubidium atoms with mass-selected OH- molecules. The ions are trapped inside an octupole rf-trap made of thin wires instead of the commonly used rods. This…

Atomic Physics · Physics 2015-07-24 H. López , B. Höltkemeier , J. Glässel , P. Weckesser , M. Weidemüller , T. Best , E. Endres , R. Wester

Hybrid quantum systems integrate laser-cooled trapped ions and ultracold quantum gases within a single experimental configuration, offering vast potential for applications in quantum chemistry, polaron physics, quantum information…

Atomic Physics · Physics 2024-10-25 Abasalt Bahrami , Ferdinand Schmidt-Kaler

We investigate dynamics and interactions of particles levitated and trapped by the thermophoretic force in a vacuum cell. Our analysis is based on footage taken by orthogonal cameras that are able to capture the three dimensional…

Soft Condensed Matter · Physics 2017-09-26 Benjamin Foster , Frankie Fung , Connor Fieweger , Mykhaylo Usatyuk , Anita Gaj , B. J. DeSalvo , Cheng Chin

We propose an optimal control scheme for generating quantum entanglement between two optically-levitated nanoparticles in free space. Specifically, we consider that the mechanical motion frequencies of the two levitated particles are…

Quantum Physics · Physics 2025-05-20 Jinke Cao , Qi Guo , Huatang Tan

Optical dipole traps and atom chips are two very powerful tools for the quantum manipulation of neutral atoms. We demonstrate that both methods can be combined by creating an optical lattice potential on an atom chip. A red-detuned laser…

Atomic Physics · Physics 2009-12-02 D. Gallego , S. Hofferberth , T. Schumm , P. Krüger , J. Schmiedmayer

For several decades, ions have been trapped by radio frequency (RF) and neutral particles by optical fields. We implement the experimental proof-of-principle for trapping an ion in an optical dipole trap. While loading, initialization and…

Quantum Physics · Physics 2015-05-18 Ch. Schneider , M. Enderlein , T. Huber , T. Schaetz

Hybrid quantum systems have the potential of mitigating current challenges in developing a scalable quantum computer. Of particular interest is the hybridization between atomic and superconducting qubits. We demonstrate a novel experimental…

We describe the design, construction, and operation of an apparatus utilizing a piezoelectric transducer for in-vacuum loading of nanoparticles into an optical trap for use in levitated optomechanics experiments. In contrast to commonly…

In this article we describe the design, construction and implementation of our ion-atom hybrid system incorporating a high resolution time of flight mass spectrometer (TOFMS). Potassium atoms ($^{39}$K) in a Magneto Optical Trap (MOT) and…

The controllable positioning of a vacuum-levitated object near a material surface is of importance for studying short-range forces, such as Casimir forces, interfacial friction forces, or gravity in yet unexplored parameter regimes. Here we…

We demonstrate the stable trapping of a levitated nanoparticle on top of an inverted potential using a combination of optical readout and electrostatic control. The feedback levitation on an inverted potential (FLIP) method stabilizes the…

Hybrid quantum systems that unite laser-cooled trapped ions and ultracold quantum gases in a single experimental setup have opened a rapidly advancing field of study, including Quantum chemistry, polaron physics, quantum information…

Atomic Physics · Physics 2023-01-27 Abasalt Bahrami , Matthias Müller , Ferdinand Schmidt-Kaler

Optically levitated nanoparticles in vacuum are a promising model system to test physics beyond our current understanding of quantum mechanics. Such experimental tests require extreme control over the dephasing of the levitated particle's…

The motion of charged particles can be interfaced with electric circuitry via the current induced in nearby pick-up electrodes. Here we show how the rotational and translational dynamics of levitated objects with arbitrary charge…

Quantum Physics · Physics 2021-10-11 Lukas Martinetz , Klaus Hornberger , Benjamin A. Stickler

Trapped electrons have emerged as an interesting platform for quantum information processing due to their light mass, two-level spin states, and potential for fully electronic manipulation. Previous experiments have demonstrated electron…

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…

Atomic Physics · Physics 2007-05-23 Rudolf Grimm , Matthias Weidemüller , Yurii B. Ovchinnikov