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We discuss the use of electromagnetically modified absorption to achieve selective excitation in atoms: that is, the laser excitation of one transition while avoiding simultaneously exciting another transition whose frequency is the same as…

Quantum Physics · Physics 2007-05-23 M. J. McDonnell , D. N. Stacey , A. M. Steane

We experimentally investigate the transient dynamics of an optical cavity field interacting with large ion Coulomb crystals in a situation of electromagnetically induced transparency (EIT). EIT is achieved by injecting a probe field at the…

Quantum Physics · Physics 2018-04-04 Magnus Albert , Aurélien Dantan , Michael Drewsen

We propose a feasible scheme of quantum state storage and manipulation via electromagnetically induced transparency (EIT) in flexibly $united$ multi-ensembles of three-level atoms. For different atomic array configurations, one can properly…

Quantum Physics · Physics 2009-11-10 H. Jing , X. -J. Liu , M. -L. Ge , M. -S. Zhan

Interaction of an intense electromagnetic (EM) beam with hot relativistic plasma is investigated. It is shown that the thermal pressure brings about a fundamental change in the dynamics - localized, high amplitude, EM field structures, not…

Plasma Physics · Physics 2009-11-07 V. I. Berezhiani , S. M. Mahajan , Z. Yoshida , M. Ohhashi

The strong non-linear optical response of atomic systems in electromagnetically induced transparency (EIT) states is considered as a means to detect the presence of small perturbations to steady states. For the 3-level system, expressions…

Atomic Physics · Physics 2023-09-06 Aneesh Ramaswamy , Svetlana A. Malinovskaya

We show that a quasi-perfect quantum state transfer between an atomic ensemble and fields in an optical cavity can be achieved in Electromagnetically Induced Transparency (EIT). A squeezed vacuum field state can be mapped onto the…

Quantum Physics · Physics 2009-11-10 Aurelien Dantan , Michel Pinard

We use the technique of electro-magnetically induced transparency (EIT) to probe the effect of attractive dipole-dipole interactions in a highly excited Rydberg gas. The transient character of the EIT response is investigated by rapidly…

Atomic Physics · Physics 2011-09-30 J D Pritchard , A Gauguet , K J Weatherill , C S Adams

We explain the phenomena of electromagnetically induced transparency (EIT) of a weak probe field and tunable Fano resonances in hybrid optomechanics. The system of study consists of a two-level atom coupled to a single-mode field of an…

Quantum Physics · Physics 2015-06-19 Muhammad Javed Akram , Fazal Ghafoor , Farhan Saif

The interaction of a quantized field with three-level atoms in $\Lambda$ configuration inside a two mode cavity is analyzed. We calculate the stationary quadrature noise spectrum of the field outside the cavity in the case where the input…

Quantum Physics · Physics 2007-05-23 P. Barberis-Blostein

When applying a red-detuned retro-reflected laser beam to a large cloud of cold atoms, we observe the spontaneous formation of 2D structures in the transverse plane corresponding to high contrast spatial modulations of both light field and…

Pattern Formation and Solitons · Physics 2018-06-27 Guillaume Labeyrie , Ivor Kresic , Gordon R. M. Robb , Gian-Luca Oppo , Robin Kaiser , Thorsten Ackemann

We present a novel implementation of lambda-enhanced gray molasses cooling in a non-standard beam geometry and with an inexpensive laser locking set-up. In contrast to the established use of resource-intensive phase locking methods, our…

Quantum Physics · Physics 2026-04-27 Timothy Leese , Siobhan Patrick , Silvia Bergamini , Calum MacCormick

We review experimental progress on atom lasers out-coupled from Bose-Einstein condensates, and consider the properties of such beams in the context of precision inertial sensing. The atom laser is the matter-wave analog of the optical…

Quantum Gases · Physics 2015-06-11 N. P. Robins , P. A. Altin , J. E. Debs , J. D. Close

We investigate the evolution of interacting Rydberg gases in the limit of strong noise and dissipation. Starting from a description in terms of a Markovian quantum master equation we derive effective equations of motion that govern the…

Quantum Physics · Physics 2014-11-27 M Marcuzzi , J Schick , B Olmos , I Lesanovsky

Extreme beams of charged particles and photons, reaching ultrahigh densities or producing intense gamma-ray bursts, are central to accelerator physics, laboratory astrophysics, and strong-field quantum electrodynamics research. Yet their…

We explore optical manipulation of sculpted light based on phase dependent electromagnetically induced transparency through a five level atomic system. A transverse magnetic field (TMF) and a suitable spatially inhomogeneous control field…

Optics · Physics 2019-03-27 Sandeep Sharma , Tarak N. Dey

The interaction of a weak probe laser with an inverted-Y type four-level atomic system driven by two additional coherent fields is investigated theoretically. Under the influence of the coherent coupling fields, the steady-state linear…

Quantum Physics · Physics 2015-05-14 Jianbing Qi

Single and double electromagnetically induced transparency (EIT) in a medium, consisting of four-level atoms in the inverted-Y configuration, are discussed using mechanical and electrical analogies. A three coupled spring-mass system…

Quantum Physics · Physics 2011-08-02 Joshua Harden , Amitabh Joshi , Juan D. Serna

We study Rydberg electromagnetically induced transparency (EIT) of a cascade three-level atom involving 80$D_{5/2}$ state in a strong interaction regime employing a cesium ultracold cloud. In our experiment, a strong coupling laser couples…

Atomic Physics · Physics 2023-03-13 Yuechun Jiao , Liping Hao , Jingxu Bai , Jiabei Fan , Zhengyang Bai , Weibin Li , Jianming Zhao , Suotang Jia

We report a novel scheme to generate laser-induced, ultrafast, intense (Tesla scale), spatially isolated, magnetic fields. Three-dimensional particle-in-cell simulations show that a femtosecond azimuthally-polarized infrared vector beam,…

We propose and demonstrate an experimental implementation for the observation of magnetic fields from spatial features of absorption profiles in a warm atomic vapor. A radially polarized vector beam that traverses an atomic vapor will…