English
Related papers

Related papers: Photon storage in Lambda-type optically dense atom…

200 papers

We present a semi-classical theory for light deflection by a coherent $\Lambda$-type three-level atomic medium in an inhomogeneous magnetic field or an inhomogeneous control laser. When the atomic energy levels (or the Rabi coupling by the…

Quantum Physics · Physics 2014-03-05 D. L. Zhou , Lan Zhou , R. Q. Wang , S. Yi , C. P. Sun

Balanced homodyning, heterodyning and unbalanced homodyning are the three well-known sampling techniques used in quantum optics to characterize all possible photonic sources in continuous-variable quantum information theory. We show that…

Quantum Physics · Physics 2019-07-31 Yong Siah Teo , Hyunseok Jeong , Luis L. Sanchez-Soto

We theoretically analyze dissociation of a harmonically trapped Bose-Einstein condensate of molecular dimers and examine how the spatial inhomogeneity of the molecular condensate affects the conversion dynamics and the atom-atom pair…

Quantum Gases · Physics 2015-03-13 Magnus Ogren , K. V. Kheruntsyan

We study the collective response of a dense atomic sample to light essentially exactly using classical-electrodynamics simulations. In a homogeneously broadened atomic sample there is no overt Lorentz-Lorenz local field shift of the…

Atomic Physics · Physics 2014-03-27 Juha Javanainen , Janne Ruostekoski , Yi Li , Sung-Mi Yoo

We investigate photon merging and splitting processes in inhomogeneous, slowly varying electromagnetic fields. Our study is based on the three-photon polarization tensor following from the Heisenberg-Euler effective action. We put special…

High Energy Physics - Phenomenology · Physics 2016-04-28 Holger Gies , Felix Karbstein , Nico Seegert

We examine coherent memory manipulation in a $\Lambda$-type medium, using the second order solution presented by Groves, Clader and Eberly [J. Phys. B: At. Mol. Opt. Phys. 46, 224005 (2013)] as a guide. The analytical solution obtained…

Quantum Physics · Physics 2016-05-13 Rodrigo Gutiérrez-Cuevas , Joseph H. Eberly

Energy-time entangled photon holes are shown to be relatively insensitive to photon loss due to absorption by atoms whose coherence times are longer than the time delays typically employed in nonlocal interferometry (a fraction of a…

Quantum Physics · Physics 2015-05-30 J. D. Franson

Applications of the covariant theory of drive-forms are considered for a class of perfectly insulating media. The distinction between the notions of "classical photons" in homogeneous bounded and unbounded stationary media and in stationary…

Classical Physics · Physics 2015-05-18 Shin-itiro Goto , Robin W. Tucker , Timothy J. Walton

We present a brief review of our recent work [1] on asymmetrically warped brane models, where the background metric is characterized by different time and space warp factors. In particular we examine the case of bulk photons and we show…

High Energy Physics - Theory · Physics 2015-05-13 K. Farakos , N. E. Mavromatos , P. Pasipoularides

We report experimental storage and retrieval of weak coherent states of light at telecommunication wavelengths using erbium ions doped into a solid. We use two photon echo based quantum storage protocols. The first one is based on…

Quantum Physics · Physics 2011-01-28 Björn Lauritzen , Jiří Minář , Hugues de Riedmatten , Mikael Afzelius , Nicolas Gisin

The lack of a dynamical framework within doubly special relativity theories has impeded the development of a corresponding phenomenology of modified interactions. In this work we show that in a model based on the classical basis of…

High Energy Physics - Phenomenology · Physics 2025-09-17 J. M. Carmona , J. L. Cortés , F. Rescic , M. A. Reyes , T. Terzić

We present a detailed analysis of coherence creation in a four level double lambda-like atomic system using a train of ultra-short few-cycle Gaussian pulses. The effect of the Doppler broadening has been analyzed. It is possible to create…

Quantum Physics · Physics 2015-06-22 Amarendra K. Sarma , Pawan Kumar

In this article we explore the dynamics of many-body atomic systems symmetrically coupled to a single Lorentzian photonic cavity. Our study reveals interesting dynamical characteristics including non-zero steady states, superradiant decay,…

Quantum Physics · Physics 2022-11-17 Adam Burgess , Marian Florescu

We introduce a homogenization approach to characterize the dynamical response of a generic dispersive spacetime crystal in the long-wavelength limit. The theory is applied to dispersive spacetime platforms with a travelling-wave modulation.…

Optics · Physics 2023-07-26 João C. Serra , Mário G. Silveirinha

The atomisation of suspension containing liquid and dispersed particles is prevalent in many applications. Previous studies of droplet breakup mainly focused on homogeneous fluids, and the heterogeneous effect of particles on the breakup…

Fluid Dynamics · Physics 2024-03-19 Zhikun Xu , Tianyou Wang , Zhizhao Che

Two-photon absorption (TPA) and other nonlinear interactions of molecules with time-frequency-entangled photon pairs (EPP) has been predicted to display a variety of fascinating effects. Therefore, their potential use in practical…

Quantum Physics · Physics 2021-09-15 Michael G. Raymer , Tiemo Landes , Andrew H. Marcus

In light-pulsed atom interferometry, the phase accumulated by atoms depends on the effective wave vector of the absorbed photons. In this work, we proposed a theory model to analyses the effective wave vector of photons in structured light.…

Atomic Physics · Physics 2021-06-02 Jun Sun , Yong-Nan Sun

The proton polarizability correction to the Lamb shift of electronic and muonic hydrogen is calculated on the basis of isobar model and experimental data on the structure functions of deep inelastic lepton-nucleon scattering. The…

High Energy Physics - Phenomenology · Physics 2009-11-11 A. P. Martynenko

The reflection spectrum of a multiple quantum well structure with an inserted defect well is considered. The defect is characterized by the exciton frequency different from that of the host's wells. It is shown that for relatively short…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 L. I. Deych , M. V. Erementchouk , A. A. Lisyansky

We propose a new method to create two-photon states in a controllable way using interaction between the Rydberg atoms during the storage and retrieval of slow light. A distinctive feature of the suggested procedure is that the slow light is…

Quantum Physics · Physics 2017-02-07 J. Ruseckas , I. A. Yu , G. Juzeliūnas
‹ Prev 1 8 9 10 Next ›