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We study the trapping of a ground-state cesium atom in a small region around the midpoint between two coupled identical parallel optical nanofibers. We suggest to use a blue-detuned guided light field in the odd $\mathcal{E}_z$-sine array…

Quantum Physics · Physics 2021-06-16 Fam Le Kien , Sile Nic Chormaic , Thomas Busch

The control of large-scale quantum information processors based on arrays of trapped ions requires a means to route and focus multiple laser beams to each of many trapping sites in parallel. Here, we combine arrays of fibres, 3D…

We show the possibility of implementing a deep dissipative optical lattice for neutral atoms with a macroscopic period. The depth of the lattice can reach magnitudes comparable to the depth of the magneto-optical traps (MOT), while the…

Atomic Physics · Physics 2023-11-28 O. N. Prudnikov , R. Ya. Ilenkov , A. V. Taichenachev , V. I. Yudin , S. N. Bagaev

We recently demonstrated that strings of trapped atoms inside a standing wave optical dipole trap can be rearranged using optical tweezers [Y. Miroshnychenko et al., Nature, in press (2006)]. This technique allows us to actively set the…

We propose a nanowaveguide platform for collective atom-light interaction through evanescent field coupling. We have developed a 1cm-long silicon nitride nanowaveguide can use evanescent fields to trap and probe an ensemble of 87Rb atoms.…

Atomic Physics · Physics 2015-09-04 Y. Meng , J. Lee , M. Dagenais , S. L. Rolston

Quantum technologies extensively use laser light for state preparation, manipulation, and readout. For field applications, these systems must be robust and compact, driving the need for miniaturized and highly stable optical setups and…

We study a means of creating multiparticle entanglement of neutral atoms using pairwise controlled dipole-dipole interactions in a three dimensional optical lattice. For tightly trapped atoms the dipolar interaction energy can be much…

Quantum Physics · Physics 2009-10-31 G. K. Brennen , I. H. Deutsch , P. S. Jessen

A new scheme of three-dimensional (3D) all-optical (nonmagnetic) cooling and trapping of resonant atoms, based on using of so-called rectified radiation forces in non-monochromatic light fields is presented. It can be applied to the atoms…

Optics · Physics 2010-09-17 I. V. Krasnov

The ever growing need for energy-efficient and fast communications is driving the development of highly integrated photonic circuits where controlling light at the nanoscale becomes the most critical aspect of information transfer .…

We propose an optical trapping technique in which a fundamental soliton traps an ultrashort small amplitude radiation in a symmetric hollow-core photonic crystal fiber filled with a noble gas, preventing its dispersion. The system is Raman-…

Optics · Physics 2015-06-12 Mohammed F. Saleh , Fabio Biancalana

We experimentally study the breakdown of hyperfine coupling for an atom in a deep optical-dipole trap. One-color laser spectroscopy is performed at the resonance lines of a single $^{87}$Rb atom for a trap wavelength of 1064 nm. Evidence of…

Atomic Physics · Physics 2015-11-20 Andreas Neuzner , Matthias Körber , Stephan Dürr , Gerhard Rempe , Stephan Ritter

Optical trapping and ions combine unique advantages of independently striving fields of research. Light fields can form versatile potential landscapes, such as optical lattices, for neutral and charged atoms, avoiding detrimental…

Atomic Physics · Physics 2015-06-22 Thomas Huber , Alexander Lambrecht , Julian Schmidt , Leon Karpa , Tobias Schaetz

We propose a way to make arrays of optical frequency dipole-force microtraps for cold atoms above a dielectric substrate. Traps are nodes in the evanescent wave fields above an optical waveguide resulting from interference of different…

Atomic Physics · Physics 2009-11-10 Katharina Christandl , Gregory P. Lafyatis , Seung-Cheol Lee , Jin-Fa Lee

We demonstrate loading of SrF molecules into an optical dipole trap (ODT) via in-trap $\Lambda$-cooling. We find that this cooling can be optimized by a proper choice of relative ODT and $\Lambda$ beam polarizations. In this optimized…

Atomic Physics · Physics 2021-10-27 Thomas K. Langin , Varun Jorapur , Yuqi Zhu , Qian Wang , David DeMille

Coherent guiding of atoms in two-colour evanescent light fields of two main single modes of suspended optical rib waveguides is investigated theoretically. Special attention is paid to waveguides of widths larger than the wavelength of…

Atomic Physics · Physics 2020-06-24 Yuri B. Ovchinnikov , Folly Eli Ayi-Yovo

We have integrated magneto-optical traps (MOTs) into an atom chip by etching pyramids into a silicon wafer. These have been used to trap atoms on the chip, directly from a room temperature vapor of rubidium. This new atom trapping method…

Atomic Physics · Physics 2011-01-06 S. Pollock , J. P. Cotter , A. Laliotis , E. A. Hinds

An analogy is explored between a setup of three atomic traps coupled via tunneling and an internal atomic three-level system interacting with two laser fields. Within this scenario we describe a STIRAP like process which allows to move an…

Quantum Physics · Physics 2009-11-11 K. Eckert , J. Mompart , R. Corbalan , M. Lewenstein , G. Birkl

Advanced quantum technologies, such as quantum simulation, computation, and metrology are thriving for the implementation of large-scale configurations of identical quantum systems. Sets of atoms and molecules have the advantage of having…

Quantum Physics · Physics 2019-05-15 Malte Schlosser , Jens Kruse , Gerhard Birkl

We propose a novel Sisyphus cooling scheme for atoms confined in a far off resonance optical dipole trap. Utilizing the differential trap-induced AC Stark shift, two electronic levels of the atom are resonantly coupled by a cooling laser…

Atomic Physics · Physics 2015-05-30 Vladyslav V. Ivanov , Subhadeep Gupta

We present and analyze a novel concept for blue-detuned evanescent field surface traps for cold neutral atoms based on two-mode interference in ultra-thin optical fibres. When two or more transverse modes with the same frequency…

Quantum Physics · Physics 2009-04-07 G. Sague , A. Baade , A. Rauschenbeutel