English
Related papers

Related papers: Storage and retrieval of light pulses in atomic me…

200 papers

By solving the self-consistent system of Maxwell and density matrix equations to the first order with respect to nonadiabaticity, we obtain an analytical solution for the probe pulse propagation. The conditions for efficient storage of…

Quantum Physics · Physics 2015-06-26 Gor Nikoghosyan , Gayane Grigoryan

We propose a method to implement a quantum memory for light based on ensembles of two-level atoms. Our protocol is based on controlled reversible inhomogeneous broadening (CRIB), where an external field first dephases the atomic…

Quantum Physics · Physics 2013-08-21 Ivan Iakoupov , Anders S. Sørensen

Coherent inter-conversion between an optical and a mechanical excitation in an optomechanical resonator can be used for the storage of an optical pulse as an excitation in a mechanical oscillator. This optomechanical light storage is…

Quantum Physics · Physics 2015-06-12 Victor Fiore , Chunhua Dong , Mark C. Kuzyk , Hailin Wang

The interaction of light with short light pulses is relevant in optical traps, optical tweezers, and many other applications. The theoretical description of such polychromatic light-matter interaction is challenging, and more so when the…

A coherent technique for the control of photon propagation in optically thick media and its application for quantum memories is discussed. Raman adiabatic passage with an externally controlled Stokes field can be used to transfer the…

Quantum Physics · Physics 2007-05-23 M. Fleischhauer , C. Mewes

We investigate the storage of light in an atomic sample with a lambda-type coupling scheme driven by optical fields at variable two-photon detuning. In the presence of electromagnetically induced transparency (EIT), light is stored and…

Atomic Physics · Physics 2015-05-13 Leon Karpa , Gor Nikoghosyan , Frank Vewinger , Michael Fleischhauer , Martin Weitz

Recent progresses in Josephson-junction-based superconducting circuits have propelled quantum information processing forward. However, the lack of a metastable state in most superconducting artificial atoms hinders the development of…

We present a brief classical discussion of a process to reduce the group velocity of an electromagnetic pulse by many orders of magnitude.

Optics · Physics 2009-11-06 Kirk T. McDonald

We use the numerical gradient ascent method from optimal control theory to extend efficient photon storage in Lambda-type media to previously inaccessible regimes and to provide simple intuitive explanations for our optimization techniques.…

Quantum Physics · Physics 2008-04-08 Alexey V. Gorshkov , Tommaso Calarco , Mikhail D. Lukin , Anders S. Sorensen

Intensive light pulse interaction with a dense resonant medium is considered. The possibilities of optical switching and pulse compression at realistic parameters of the medium are analyzed. Pulse shape transformation in different photonic…

Optics · Physics 2009-08-27 Denis Novitsky

We theoretically study the linear transmission of linearly polarizedlight pulses in an ensemble of cold atoms submitted to a static magneticfield parallel to the direction of propagation. The carrier frequencyof the incident pulses…

Optics · Physics 2016-10-19 Bruno Macke , Bernard Ségard

Electromagnetically induced transparency in an optically thick, cold medium creates a unique system where pulse-propagation velocities may be orders of magnitude less than $c$ and optical nonlinearities become exceedingly large. As a…

Quantum Physics · Physics 2009-11-10 Danielle A. Braje , Vlatko Balic , G. Y. Yin , S. E. Harris

We have shown that quantum interference in a driven quasi-degenerate two-level atomic system can be controlled by an externally applied magnetic field. We demonstrate that the mechanism of optical control is based on quantum interference,…

Quantum Physics · Physics 2013-12-24 Yu. M. Golubev , T. Yu. Golubeva , Yu. V. Rostovtsev , M. O. Scully

The propagation of the arbitrarily polarized pulse of the weak probe field through the resonant medium of Lambda-type three-level atoms with degenerate levels adiabatically driven by the coherent coupling field is considered. It is shown…

Optics · Physics 2014-10-17 V. A. Reshetov , I. V. Meleshko

We show that coherent multiple light scattering, or diffuse light propagation, in a disordered atomic medium, prepared at ultra-low temperatures, can be be effectively delayed in the presence of a strong control field initiating a…

Quantum Physics · Physics 2016-04-27 L. V. Gerasimov , I. M. Sokolov , D. V. Kupriyanov , R. G. Olave , M. D. Havey

This paper studies theoretically the ultraslow light phenomenon in Bose-Einstein condensates of alkali-metal atoms. The description is based on the linear approach that is developed in the framework of the Green function formalism. It is…

Quantum Gases · Physics 2010-10-29 Andrii Sotnikov

In this work a new mechanics will be studied which is based on the hypothesis that the change of linear momentum of a particle happens as a discrete pulses. By using this hypothesis and by considering Newton's relation between energy and…

General Physics · Physics 2015-06-26 Munir Al-Hashimi

In a recent paper [Gorshkov et al., Phys. Rev. Lett. 98, 123601 (2007)], we used a universal physical picture to optimize and demonstrate equivalence between a wide range of techniques for storage and retrieval of photon wave packets in…

Quantum Physics · Physics 2007-09-09 Alexey V. Gorshkov , Axel Andre , Mikhail D. Lukin , Anders S. Sorensen

An absorption of a weak pulse by two identical atoms moving in a trap is investigated. Based on atom-light interactions we present a microscopic model of a two-body wave function diagnosis. We study the influence of pulse properties on the…

Quantum Gases · Physics 2017-11-22 Rafał Ołdziejewski , Kazimierz Rzążewski

We investigate the minimal conditions to store coherently a RF pulse in a material medium. We choose a commercial quartz as memory support because it is a widely available component with a high Q-factor. Pulse storage is obtained by varying…

Classical Physics · Physics 2018-02-12 J. -P. Cromières , T. Chanelière