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We present an experimental demonstration of strong coupling between a surface plasmon propagating on a planar silver substrate, and the lowest excited state of CdSe nanocrystals. Variable-angle spectroscopic ellipsometry measurements…

Materials Science · Physics 2009-12-16 D. E. Gómez , K. C. Vernon , T. J. Davis , T. L. Nguyen , P. Mulvaney

We study the cooperative optical coupling between regularly spaced atoms in a one-dimensional waveguide using decompositions to subradiant and superradiant collective excitation eigenmodes, direct numerical solutions, and analytical…

Quantum Physics · Physics 2017-10-04 Janne Ruostekoski , Juha Javanainen

Antirelaxation surface coatings allow long spin relaxation times in alkali-metal cells without buffer gas, enabling faster diffusion of the alkali atoms throughout the cell and giving larger signals due to narrower optical linewidths.…

Atomic Physics · Physics 2009-12-07 S. J. Seltzer , M. V. Romalis

Controlling the flow of light by means of nanophotonic waveguides has the potential of transforming integrated information processing much in the same way that conventional glass fibers have revolutionized global communication. Owing to the…

Quantum Physics · Physics 2015-06-19 Jan Petersen , Jürgen Volz , Arno Rauschenbeutel

Tapered optical fibers with a nanofiber waist are versatile tools for interfacing light and matter. In this context, laser-cooled atoms trapped in the evanescent field surrounding the optical nanofiber are of particular interest: They…

Quantum Physics · Physics 2015-04-14 C. Sayrin , C. Clausen , B. Albrecht , P. Schneeweiss , A. Rauschenbeutel

We study the non-equilibrium many-body dynamics of a cold gas of ground state alkali atoms weakly admixed by Rydberg states with laser light. On a timescale shorter than the lifetime of the dressed states, effective dipole-dipole or van der…

Atomic Physics · Physics 2012-10-18 A. W. Glaetzle , R. Nath , B. Zhao , G. Pupillo , P. Zoller

We studied resonant laser interaction with Rb atoms confined to the interstitial cavities of a random porous glass. Due to diffusive light propagation, the effect of atomic absorption on the light scattered by the sample is almost entirely…

Atomic Physics · Physics 2015-06-11 S. Villalba , H. Failache , A. Laliotis , L. Lenci , S. Barreiro , A. Lezama

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. In particular, we discuss the trap performance in…

Atomic Physics · Physics 2014-07-24 Mark Daly , Viet Giang Truong , Ciarán Phelan , Kieran Deasy , Síle Nic Chormaic

We exploit the effect of light-induced atomic desorption to produce high atomic densities ($n\gg k^3$) in a rubidium vapor cell. An intense off-resonant laser is pulsed for roughly one nanosecond on a micrometer-sized sapphire-coated cell,…

The near field scanning optical microscopy (NSOM) is not only a tool for imaging of sub-diffraction limited objects but also a prominent characteristic tool for understanding the intrinsic properties of the nanostructures. In order to…

Materials Science · Physics 2016-09-21 A. K. Sivadasan , Kishore K. Madapu , Sandip Dhara

The collective absorption and emission of light by an ensemble of atoms is at the heart of many fundamental quantum optical effects and the basis for numerous applications. However, beyond weak excitation, both experiment and theory become…

Hybrid quantum systems are highly promising platforms for addressing important challenges of quantum information science and quantum sensing. Their implementation, however, is technologically non-trivial, since each component typically has…

Integrated quantum photonic circuitry is an emerging topic that requires efficient coupling of quantum light sources to waveguides and optical resonators. So far, great effort has been devoted to engineering on-chip systems from…

We investigate the electric quadrupole interaction of an alkali-metal atom with guided light in the fundamental and higher-order modes of a vacuum-clad ultrathin optical fiber. We calculate the quadrupole Rabi frequency, the quadrupole…

Optics · Physics 2018-01-24 Fam Le Kien , Tridib Ray , Thomas Nieddu , Thomas Busch , Sile Nic Chormaic

Atom interferometers provide exquisite measurements of the properties of non-inertial frames. While atomic interactions are typically detrimental to good sensing, efforts to harness entanglement to improve sensitivity remain tantalizing.…

Quantum Gases · Physics 2016-11-15 Stephen Ragole , Jacob M. Taylor

A metal nanoparticle plasmon waveguide for electromagnetic energy transport utilizing dispersion engineering to dramatically increase lateral energy confinement via a two-dimensional pattern of Au dots on an optically thin Si membrane is…

Atomically thin transition metal dichalcogenides are highly promising for integrated optoelectronic and photonic systems due to their exciton-driven linear and nonlinear interaction with light. Integrating them into optical fibers yields…

Quantum coherent light-matter interactions have been at the forefront of scientific interest since the fundamental predictions of Einstein and the later work of Rabi. Direct observation of quantum coherent interactions entails probing the…

Mesoscale and Nanoscale Physics · Physics 2014-07-23 Amir Capua , Ouri Karni , Gadi Eisenstein , Johann Peter Reithmaier

Considering efforts for hot atom vapor-nanophotonic integration as a new paradigm in quantum optics in this paper we introduce 1D photonic crystal-Rb vapor cell as structure with miniaturized interaction volume. The Bloch surface wave…

Atomic Physics · Physics 2023-02-08 M. Asadolah Salmanpour , M. Mosleh , S. M. Hamidi

The current advances in the field of ultra-cold atoms and atomic traps recall new controllable long-range interactions. These interactions are expected to extend the range of realizable quantum algorithms as well as providing new control…

Quantum Physics · Physics 2021-08-11 Mohammadsadegh Khazali
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