English
Related papers

Related papers: A Nanofiber-Based Optical Conveyor Belt for Cold A…

200 papers

We present a feasibility study for loading cold atomic clouds into magnetic traps created by single-wall carbon nanotubes grown directly onto dielectric surfaces. We show that atoms may be captured for experimentally sustainable nanotube…

Other Condensed Matter · Physics 2009-11-13 P. G. Petrov , S. Machluf , S. Younis , R. Macaluso , T. David , B. Hadad , Y. Japha , M. Keil , E. Joselevich , R. Folman

The strong evanescent field around ultra-thin unclad optical fibers bears a high potential for detecting, trapping, and manipulating cold atoms. Introducing such a fiber into a cold atom cloud, we investigate the interaction of a small…

Quantum Physics · Physics 2009-11-13 G. Sagué , E. Vetsch , W. Alt , D. Meschede , A. Rauschenbeutel

We describe theoretically a setup in which a tapered optical nanofibre is introduced into an optical lattice potential for cold atoms. Firstly, we consider the disturbance to the geometry of the lattice potential due to scattering of the…

Quantum Gases · Physics 2013-05-30 T. Hennessy , Th. Busch

In ballistic transport, the movement of charged carriers is essentially unimpeded by scattering events. In this limit, microscopic parameters such as crystal momentum, spin and quantum phases are well conserved, allowing electrons to…

Mesoscale and Nanoscale Physics · Physics 2026-02-17 Yongjin Cho , Su Jae Kim , Min-Hyoung Jung , Yousil Lee , Hu Young Jeong , Young-Min Kim , Hu-Jong Lee , Seong-Gon Kim , Se-Young Jeong , Gil-Ho Lee

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…

The ability to trap and to manipulate individual atoms is at the heart of current implementations of quantum simulations, quantum computing, and long-distance quantum communication. Controlling the motion of larger particles opens up yet…

Optical tweezers, the three-dimensional confinement of a nanoparticle by a strongly focused beam of light, have been widely employed in investigating biomaterial nanomechanics, nanoscopic fluid properties, and ultrasensitive detections in…

Laser-cooled atoms that are trapped and optically interfaced with light in nanophotonic waveguides are a powerful platform for fundamental research in quantum optics as well as for applications in quantum communication and quantum…

Quantum Physics · Physics 2019-11-20 Daniel Hümmer , Philipp Schneeweiss , Arno Rauschenbeutel , Oriol Romero-Isart

We propose a dipole-force linear waveguide which confines neutral atoms up to lambda/2 above a microfabricated single-mode dielectric optical guide. The optical guide carries far blue-detuned light in the horizontally-polarized TE mode and…

Atomic Physics · Physics 2009-10-31 A. H. Barnett , S. P. Smith , M. Olshanii , K. S. Johnson , A. W. Adams , M. Prentiss

Optical nanofibers are waveguides known for their unique property to produce intense evanescent fields which have subwavelength transverse confinement easily extendable over thousands of wavelengths along the fiber axis. Moreover,…

We report the experimental realization of an optical trap that localizes single Cs atoms ~215 nm from surface of a dielectric nanofiber. By operating at magic wavelengths for pairs of counter-propagating red- and blue-detuned trapping…

Atomic Physics · Physics 2015-06-04 A. Goban , K. S. Choi , D. J. Alton , D. Ding , C. Lacroûte , M. Pototschnig , T. Thiele , N. P. Stern , H. J. Kimble

The evanescent field of an optical nanofiber presents a versatile interface for the manipulation of micron-scale particles in dispersion. Here, we present a detailed study of the optical binding interactions of a pair of 3.13 $\mu$m SiO$_2$…

We demonstrate size selective optical trapping and transport for nanoparticles near an optical nanofiber taper. Using a two-wavelength, counter-propagating mode configuration, we show that 100 nm diameter and 150 nm diameter gold…

Active nanowires and nanofibers can be realized by the electric-field induced stretching of polymer solutions with sufficient molecular entanglements. The resulting nanomaterials are attracting an increasing attention in view of their…

Materials Science · Physics 2016-03-28 M. Moffa , V. Fasano , A. Camposeo , L. Persano , D. Pisignano

An integrated optical dipole trap uses two-color (red and blue-detuned) traveling evanescent wave fields for trapping cold neutral atoms. To achieve longitudinal confinement, we propose using an integrated optical waveguide coupler, which…

Atomic Physics · Physics 2013-09-20 J. Lee , D. H. Park , S. Mittal , M. Dagenais , S. L. Rolston

Tapered optical fibers (nanofibers) whose diameters are smaller than the optical wavelength are very fragile and can be easily destroyed if excessively heated by energy dissipated from the transmitted light. We present a technique for…

We demonstrate the first guiding of cold atoms through a 88 mm long piece of photonic band gap fiber. The guiding potential is created by a far-off resonance dipole trap propagating inside the fiber with a hollow core of 12 mu m. We load…

Quantum Physics · Physics 2010-12-15 S. Vorrath , S. A. Möller , P. Windpassinger , K. Bongs , K. Sengstock

We experimentally demonstrate efficient interfacing of a large number of atoms to an optical nanofiber using an optical lattice with tunable spacing ($0.88-1.5~\mu$m) projected onto the nanofiber. The lattice beam and reflections from the…

Quantum Physics · Physics 2026-01-14 Hyok Sang Han , Ahreum Lee , Sarthak Subhankar , Fredrik K. Fatemi , S. L. Rolston

Tuning the near-field using all-dielectric nano-antennae offers a promising approach for trapping atoms, which could enable strong single-atom/photon coupling. Here we report the simulation results of an optical trapping concept, in which a…

Optics · Physics 2020-07-15 Angeleene S. Ang , Alexander S. Shalin , Alina Karabchevsky

Laser-cooled and trapped cesium atoms have been used as a nonlinear medium in a nearly resonant cavity. A study of the semiclassical dynamics of the system was performed, showing bistability and instabilities. In the quantum domain,…

Quantum Physics · Physics 2015-06-26 A. Lambrecht , J. M. Courty , S. Reynaud , E. Giacobino