English
Related papers

Related papers: Cavity cooling of a trapped atom using Electromagn…

200 papers

We suggest a protocol for the sympathetic cooling of a molecular asymmetric top rotor co-trapped with laser-cooled atomic ions, based on resonant coupling between the molecular ion's electric dipole moment and a common normal mode of the…

Quantum Physics · Physics 2026-02-04 Monika Leibscher , Alexander Blech , Christiane P. Koch

We demonstrate the ability to load, cool and detect singly-charged calcium ions in a surface electrode trap using only visible and infrared lasers for the trapped-ion control. As opposed to the standard methods of cooling using…

Atomic Physics · Physics 2017-07-27 F. Lindenfelser , M. Marinelli , V. Negnevitsky , S. Ragg , J. P. Home

We report the electromagnetically-induced-transparency (EIT) cooling of a large trapped $^{171}$Yb$^+$ ion chain to the quantum ground state. Unlike conventional EIT cooling, we engage a four-level tripod structure and achieve fast…

Quantum Physics · Physics 2020-08-05 L. Feng , W. L. Tan , A. De , A. Menon , A. Chu , G. Pagano , C. Monroe

A single trapped ion interacting with laser light in a radiofrequency trap is considered by diagonalization of full Hamiltonian of the system in a suitable basis. The energies, eigenvectors, probabilities of finding the atom in the ground…

Quantum Physics · Physics 2017-05-31 Ghasem Asadi Cordshooli , Mehdi Mirzaee

We experimentally demonstrate optical dipole trapping of a cloud of cold atoms by means of a dynamically coupled mode of a high-finesse cavity. We show that the trap requires a collective action of the atoms, i.e. a single atom would not be…

Quantum Physics · Physics 2021-09-01 A. Dombi , T. W. Clark , F. I. B. Williams , F. Jessen , J. Fortágh , D. Nagy , A. Vukics , P. Domokos

We demonstrate that the process of evaporative cooling, as associated with the cooling of atomic gases, can also be employed to condense a system of photons giving rise to coherent properties of the light. The system we study consists of…

Other Condensed Matter · Physics 2008-07-10 B. T. Seaman , M. J. Holland

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 investigate theoretically the possibility for robust and fast cooling of a trapped atomic ion by transient interaction with a pre-cooled ion. The transient coupling is achieved through dynamical control of the ions' equilibrium…

Quantum Physics · Physics 2020-08-26 Tobias Sägesser , Roland Matt , Robin Oswald , Jonathan P. Home

The semiclassical theory of laser cooling is applied for the analysis of cooling of unbound atoms with the values of the ground and exited state angular moments 1/2 in a one-dimensional nondissipative optical lattice. We show that in the…

Optics · Physics 2011-10-05 N. A. Matveeva , A. V. Taichenachev , A. M. Tumaikin , V. I. Yudin

We propose a theoretical scheme to show the possibility of achieving the quantum ground state cooling of a vibrating micromechanical membrane inside a high finesse optical cavity by back-action cooling approach. The scheme is based on an…

Quantum Physics · Physics 2011-11-09 Sh. Barzanjeh , M. H. Naderi , M. Soltanolkotabi

Cooling of molecules via free-space dissipative scattering of photons is thought not to be practicable due to the inherently large number of Raman loss channels available to molecules and the prohibitive expense of building multiple…

We describe a simple approach to the problem of incorporating the response time of an atom or ion being Doppler-cooled into the theory of the cooling process. The system being cooled does not in general respond instantly to the changing…

Atomic Physics · Physics 2018-09-28 H. Janacek , A. M. Steane , D. M. Lucas , D. N. Stacey

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

We propose a scheme involving cold atoms trapped in optical lattices to observe different phenomena traditionally linked to quantum-optical systems. The basic idea consists of connecting the trapped atomic state to a non-trapped state…

Quantum Physics · Physics 2011-11-10 Carlos Navarrete-Benlloch , Inés de Vega , Diego Porras , J. Ignacio Cirac

Incorporating optical cavities in ion traps is becoming increasingly important in the development of photonic quantum networks. However, the presence of the cavity can hamper efficient laser cooling of ions because of geometric constraints…

Quantum Physics · Physics 2023-03-08 Costas Christoforou , Corentin Pignot , Ezra Kassa , Hiroki Takahashi , Matthias Keller

We present an unique experimental arrangement which permits the simultaneous trapping and cooling of ions and neutral atoms, within a Fabry-Perot (FP) cavity. The versatility of this hybrid trap experiment enables a variety of studies with…

Atomic Physics · Physics 2013-12-11 S. Jyothi , Tridib Ray , N. Bhargava Ram , S. A. Rangwala

Laser-cooled atoms coupled to nanophotonic structures constitute a powerful research platform for the exploration of new regimes of light-matter interaction. While the initialization of the atomic internal degrees of freedom in these…

Quantum Physics · Physics 2018-09-12 Y. Meng , A. Dareau , P. Schneeweiss , A. Rauschenbeutel

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

A cold atomic gas with an inverted population on a transition coupled to a field mode of an optical resonator constitutes a generic model of a laser. For quasi-continuous operation, external pumping, trapping and cooling of the atoms is…

Quantum Physics · Physics 2019-12-10 Christoph Hotter , David Plankensteiner , Laurin Ostermann , Helmut Ritsch

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…

‹ Prev 1 3 4 5 6 7 10 Next ›