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Related papers: Cavity cooling of a single atom

200 papers

We investigate external and internal dynamics of a two-level atom strongly coupled to a weakly pumped nanophotonic cavity. We calculate the dipole force, friction force, and stochastic force due to the cavity pump field, and show that a…

Quantum Physics · Physics 2023-04-11 Chenwei Lv , Ming Zhu , Sambit Banerjee , Chen-Lung Hung

We propose a method to cool a thermal photonic state in a cavity by passing electrons through it. Electrons are coherently split into two paths, with one path traversing the cavity, becoming entangled with its photonic state. A sequence of…

Quantum Physics · Physics 2026-01-30 D. E. Maison , L. Stettiner , S. Even-Haim , A. Gorlach , I. Kaminer

Laser-cooled gases of atoms interacting with the field of an optical cavity are a powerful tool for quantum sensing and the simulation of open and closed quantum systems. They can display spontaneous self-organisation phase transitions,…

Quantum Physics · Physics 2024-06-03 V. M. Schäfer , Z. Niu , J. R. K. Cline , D. J. Young , E. Y. Song , H. Ritsch , J. K. Thompson

Standard cavity cooling of atoms or dielectric particles is based on the action of dispersive optical forces in high-finesse cavities. We investigate here a complementary regime characterized by large cavity losses, resembling the standard…

Quantum Physics · Physics 2024-08-21 Julian Lyne , Nico S. Bassler , Seong eun Park , Guido Pupillo , Claudiu Genes

We propose a scheme for generating steady entanglement between two distant atomic qubits in the coupled-cavity system via laser cooling. With suitable choice of the laser frequencies, the target entangled state is the only ground state that…

Quantum Physics · Physics 2013-01-04 Li Tuo Shen , Xin Yu Chen , Zhen Biao Yang , Huai Zhi Wu , Shi Biao Zheng

We present a combined computational and experimental study to optimize the efficiency of evaporative cooling for atoms in optical dipole traps. By employing a kinetic model of evaporation, we provide a strategy for determining the optimal…

Quantum Gases · Physics 2013-05-21 Abraham J. Olson , Robert J. Niffenegger , Yong P. Chen

We propose a cavity based laser cooling and trapping scheme, providing tight confinement and cooling to very low temperatures, without degradation at high particle densities. A bidirectionally pumped ring cavity builds up a resonantly…

Quantum Physics · Physics 2009-11-10 Th. Elsaesser , B. Nagorny , A. Hemmerich

We study the dynamics of the cooling of a gas of caesium atoms in an optical lattice, both experimentally and with 1D full-quantum Monte Carlo simulations. We find that, contrary to the standard interpretation of the Sisyphus model, the…

Atomic Physics · Physics 2007-05-23 Claude M. Dion , Peder Sjolund , Stefan J. H. Petra , Svante Jonsell , Anders Kastberg

We report on Bose-Einstein condensation (BEC) in a gas of strontium atoms, using laser cooling as the only cooling mechanism. The condensate is formed within a sample that is continuously Doppler cooled to below 1\muK on a narrow-linewidth…

Quantum Gases · Physics 2013-09-24 Simon Stellmer , Benjamin Pasquiou , Rudolf Grimm , Florian Schreck

We analyse the dynamics leading to radiative cooling of an atomic ensemble confined inside an optical cavity when the atomic dipolar transitions are incoherently pumped and can synchronize. Our study is performed in the semiclassical regime…

Quantum Physics · Physics 2017-07-05 Simon B. Jäger , Minghui Xu , Stefan Schütz , Murray J. Holland , Giovanna Morigi

We study the laser cooling of one atom in an harmonic trap beyond the Lamb-Dicke regime. By using sequences of laser pulses of different detunings we show that the atom can be confined into just one state of the trap, either the ground…

Quantum Physics · Physics 2009-10-31 Luis Santos , Maciej Lewenstein

We propose an alternative method to laser cooling. Our approach utilizes the extreme brightness of a supersonic atomic beam, and the adiabatic atomic coilgun to slow atoms in the beam or to bring them to rest. We show how internal-state…

Optomechanical cooling of levitated nanoparticles has become an essential topic in modern quantum physics, providing a platform for exploring macroscopic quantum phenomena and high-precision sensing. However, conventional cavity-assisted…

Quantum Physics · Physics 2025-12-04 Jialin Li , Guangyu Zhang , Zhang-qi Yin

We consider a two-level atom interacting with a single mode of the electromagnetic field in a cavity within the Jaynes-Cummings model. Initially, the atom is thermal while the cavity is in a coherent state. The atom interacts with the…

Quantum Physics · Physics 2007-11-30 Hendrik Weimer , Günter Mahler

We propose a cooling scheme to prepare stationary entanglement of neutral atoms in the Rydberg blockade regime by combination of periodically collective laser pumping and dissipation. In each cycle, the controlled unitary dynamics process…

Quantum Physics · Physics 2022-09-07 Wei-Lin Mu , Xiao-Xuan Li , Xiao-Qiang Shao

A single neutral atom is trapped in a three-dimensional optical lattice at the center of a high-finesse optical resonator. Using fluorescence imaging and a shiftable standing-wave trap, the atom is deterministically loaded into the maximum…

Atomic Physics · Physics 2013-06-14 Andreas Reiserer , Christian Nölleke , Stephan Ritter , Gerhard Rempe

We study motion and field dynamics of a single-atom laser consisting of a single incoherently pumped free atom moving in an optical high-{\it Q} resonator. For sufficient pumping, the system starts lasing whenever the atom is close to a…

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

The energy-level structure of a single atom strongly coupled to the mode of a high-finesse optical cavity is investigated. The atom is stored in an intracavity dipole trap and cavity cooling is used to compensate for inevitable heating. Two…

Quantum Physics · Physics 2007-05-23 P. Maunz , T. Puppe , I. Schuster , N. Syassen , P. W. H. Pinkse , G. Rempe

The continuous pumping of atoms into a Bose-Einstein condensate via spontaneous emission from a thermal reservoir is analyzed. We consider the case of atoms with a three-level $\Lambda$ scheme, in which one of the atomic transitions has a…

Quantum Physics · Physics 2009-11-06 L. Santos , F. Floegel , T. Pfau , M. Lewenstein

Laser cooling exploits the physics of light scattering to cool atomic and molecular gases to close to absolute zero. It is the crucial initial step for essentially all atomic gas experiments in which Bose-Einstein condensation and, more…

Quantum Gases · Physics 2022-09-05 Florian Schreck , Klaasjan van Druten