Results 21 to 30 of about 110,226 (291)

Dressed-State Approach to Population Trapping in the Jaynes-Cummings Model [PDF]

open access: yes, 1999
The phenomenon of atomic population trapping in the Jaynes-Cummings Model is analysed from a dressed-state point of view. A general condition for the occurrence of partial or total trapping from an arbitrary, pure initial atom-field state is obtained in ...
A Vidiella-Barranco   +8 more
core   +2 more sources

Criticality in Trapped Atomic Systems [PDF]

open access: yesPhysical Review Letters, 2010
4 pages, 3 figures; added ...
Pollet, L   +2 more
openaire   +3 more sources

Coherent trapping of atomic populations [PDF]

open access: yesOptics Letters, 1978
It is often desirable in laser spectroscopy and isotope separation to extract as much as possible of an atomic or molecular population that is distributed among a number of ground-state sublevels and low-lying metastable levels. We describe a form of coherent trapping that occurs when multiple resonant laser beams are used to couple the various ground ...
H R, Gray, R M, Whitley, C R, Stroud
openaire   +2 more sources

Single-Atom Trapping in a Metasurface-Lens Optical Tweezer

open access: yesPRX Quantum, 2022
Optical metasurfaces of subwavelength pillars have provided new capabilities for the versatile definition of the amplitude, phase, and polarization of light.
T.-W. Hsu   +6 more
doaj   +1 more source

Trapping a single atom in the evanescent field of a WGM-resonator [PDF]

open access: yesEPJ Web of Conferences, 2022
We demonstrate the trapping of single atoms in the evanescent field of a whispering-gallery-mode (WGM) resonator with a standing wave optical dipole trap. We present our progress towards an improved trap loading scheme.
Maron Gabriele   +7 more
doaj   +1 more source

Atom cooling and trapping by disorder [PDF]

open access: yes, 1998
We demonstrate the possibility of three-dimensional cooling of neutral atoms by illuminating them with two counterpropagating laser beams of mutually orthogonal linear polarization, where one of the lasers is a speckle field, i.e. a highly disordered but
A. Hemmerich   +25 more
core   +2 more sources

Nanostructured optical nanofibres for atom trapping

open access: yesNew Journal of Physics, 2014
We propose an optical dipole trap for cold, neutral atoms based on the electric field produced from the evanescent fields in a hollow, rectangular slot cut through an optical nanofibre.
M Daly   +4 more
doaj   +1 more source

Eliminating light shifts for single atom trapping

open access: yesNew Journal of Physics, 2017
Microscopically controlled neutral atoms in optical tweezers and lattices have led to exciting advances in the study of quantum information and quantum many-body systems.
Nicholas R Hutzler   +3 more
doaj   +1 more source

Interferometer for force measurement via a shortcut to adiabatic arm guiding

open access: yesPhysical Review Research, 2020
We propose a compact atom interferometer to measure homogeneous constant forces guiding the arms via shortcuts to adiabatic paths. For a given sensitivity, which only depends on the space-time area of the guiding paths, the cycle time can be made fast ...
A. Rodriguez-Prieto   +3 more
doaj   +1 more source

Cold atoms in videotape micro-traps [PDF]

open access: yes, 2005
We describe an array of microscopic atom traps formed by a pattern of magnetisation on a piece of videotape. We describe the way in which cold atoms are loaded into one of these micro-traps and how the trapped atom cloud is used to explore the properties
B. E. Sauer   +30 more
core   +6 more sources

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