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Related papers: EIT-control of single-atom motion in an optical ca…

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Coherent interaction of laser radiation with multilevel atoms and molecules can lead to quantum interference in the electronic excitation pathways. A prominent example observed in atomic three-level-systems is the phenomenon of…

Quantum Physics · Physics 2011-07-19 S. Weis , R. Riviere , S. Deleglise , E. Gavartin , O. Arcizet , A. Schliesser , T. J. Kippenberg

We study a single incoherently pumped atom moving within an optical high-Q resonator in the strong coupling regime. Using a semiclassical description for the atom and field dynamics, we derive a closed system of differential equations to…

Quantum Physics · Physics 2007-12-18 Thomas Salzburger , Peter Domokos , Helmut Ritsch

The development of laser cooling coupled with the ability to trap atoms and ions in electromagnetic fields, has revolutionised atomic and optical physics, leading to the development of atomic clocks, high-resolution spectroscopy and…

Controlling the optical response of a medium through suitably tuned coherent electromagnetic fields is highly relevant in a number of potential applications, from all-optical modulators to optical storage devices. In particular,…

We calculate the loading efficiency and cooling rates in a bichromatic optical microtrap, where the optical potentials are generated by evanescent waves of cavity fields at a dielectric-vacuum interface. The cavity modified nonconservative…

Quantum Physics · Physics 2009-11-07 Peter Domokos , Helmut Ritsch

We experimentally demonstrate the manipulation of optical diffraction, utilizing the atomic thermal motion in a hot vapor medium of electromagnetically-induced transparency (EIT). By properly tuning the EIT parameters, the refraction…

Quantum Physics · Physics 2015-05-13 O. Firstenberg , P. London , M. Shuker , A. Ron , N. Davidson

We propose to cool a mechanical resonator close to its ground state via an electromagnetically-induced-transparency- (EIT-) like cooling mechanism in a double-cavity optomechanical system, where an additional cavity couples to the original…

Quantum Physics · Physics 2015-06-22 Yujie Guo , Kai Li , Wenjie Nie , Yong Li

We consider the problem of controlling the motion of an atom trapped in an optical cavity using continuous feedback. In order to realize such a scheme experimentally, one must be able to perform state estimation of the atomic motion in real…

Quantum Physics · Physics 2007-05-23 Daniel A. Steck , Kurt Jacobs , Hideo Mabuchi , Salman Habib , Tanmoy Bhattacharya

Single-photon cooling is a recently introduced method to cool atoms and molecules for which standard methods might not be applicable. We numerically examine this method in a two-dimensional wedge trap as well as in a two-dimensional…

Quantum Physics · Physics 2014-03-25 V. P. Singh , A. Ruschhaupt

We report on vibrational ground-state cooling of a single neutral atom coupled to a high-bandwidth Fabry-P\'erot cavity. The cooling process relies on degenerate Raman sideband transitions driven by dipole trap beams, which confine the…

In electromagnetically-induced transparency (EIT), the absorption of a probe beam is greatly reduced due to destructive interference between two dressed atomic states produced by a strong laser beam. Here we show that a similar reduction in…

Quantum Physics · Physics 2009-11-13 J. D. Franson , S. M. Hendrickson

We theoretically propose and experimentally demonstrate a parallel-electromagnetically-induced transparency (parallel-EIT) cooling technique for ion crystals in the Paul trap. It has less stringent requirements on the cooling resonance…

A theoretical study is carried out for the cavity cooling of a $\Lambda$-type three level atom in a high-finesse optical cavity with a weakly driven field. Analytical expressions for the friction, diffusion coefficients and the equilibrium…

Optics · Physics 2015-05-18 Lei Tan , Li-Wei Liu , Yan-Fen Sun

We analyze a possibility to trap, control and load a single atom inside a nanosize cavity formed in a photonic crystal. We consider a 1D nanobeam crystal having two nearly degenerate localized modes with mode maxima at the central air gap,…

The combination of ultra-cold atomic clouds with the light fields of optical cavities provides a powerful model system for the development of new types of laser cooling and for studying cooperative phenomena. These experiments critically…

Atomic Physics · Physics 2008-01-29 Simone Bux , Gordon Krenz , Sebastian Slama , Claus Zimmermann , Philippe W. Courteille

We study the motion of two atoms trapped at distant positions in the field of a driven standing wave high-Q optical resonator. Even without any direct atom-atom interaction the atoms are coupled through their position dependent influence on…

Quantum Physics · Physics 2007-05-23 J. K. Asbóth , P. Domokos , H. Ritsch

The implementation of electromagnetically induced transparency (EIT) in a cold Rydberg gas provides an attractive route towards strong photon--photon interactions and fully deterministic all-optical quantum information processing. In this…

Quantum Physics · Physics 2017-08-23 J. D. Pritchard , K. J. Weatherill , C. S. Adams

We study the cooling of a dielectric nanoscale particle trapped in an optical cavity. We derive the frictional force for motion in the cavity field, and show that the cooling rate is proportional to the square of oscillation amplitude and…

Optics · Physics 2013-05-29 P. F. Barker , M. N. Shneider

The control of one light field by another, ultimately at the single photon level, is a challenging task which has numerous interesting applications within nonlinear optics and quantum information science. Due to the extremely weak direct…

Quantum Physics · Physics 2011-10-04 Magnus Albert , Aurelien Dantan , Michael Drewsen

We study procedures for the optimization of efficiency of light storage and retrieval based on the dynamic form of electromagnetically induced transparency (EIT) in warm Rb vapor. We present a detailed analysis of two recently demonstrated…

Quantum Physics · Physics 2009-11-13 Nathaniel B. Phillips , Alexey V. Gorshkov , Irina Novikova