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We investigate the storage and retrieval of electromagnetic waves using a nonlinear metamaterial, analogous to the electromagnetically induced transparency (EIT) observed in atomic systems. We experimentally demonstrate the storage of the…

Applied Physics · Physics 2018-08-21 Toshihiro Nakanishi , Masao Kitano

We discuss the differences between two well-studied and related phenomena---coherent population trapping (CPT) and electromagnetically induced transparency (EIT). Many differences between the two---such as the effect of power in the beams,…

To study the fundamental physics of complex multiphase flow systems using advanced measurement techniques, especially the electrical capacitance tomography (ECT) approach, this article carries out an initial literature review of the ECT…

Computer Vision and Pattern Recognition · Computer Science 2015-10-16 Kezhi Li

Intensity noise cross-correlation of the polarization eigenstates of light emerging from an atomic vapor cell in the Hanle configuration allows one to perform high resolution spectroscopy with free- running semiconductor lasers. Such an…

Atomic Physics · Physics 2018-06-06 Ben Whitenack , Devan Tormey , Michael Crescimanno , Andrew C. Funk , Shannon OLeary

We analyze the two-photon linewidth of the recently proposed adiabatic transfer technique for ``stopping'' of light using electromagnetically induced transparency (EIT). We shown that a successful and reliable transfer of excitation from…

Quantum Physics · Physics 2009-11-07 Claudia Mewes , Michael Fleischhauer

Photoelectrochemical impedance spectroscopy (PEIS) is a useful tool for the characterization of photoelectrodes for solar water splitting. However, the analysis of PEIS spectra often involves a priori assumptions that might bias the…

Chemical Physics · Physics 2020-12-10 Dino Klotz , Daniel A. Grave , Hen Dotan , Avner Rothschild

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

Electromagnetically induced transparency (EIT) is predicted for x rays in laser-dressed neon gas. The x-ray photoabsorption cross section and polarizability near the Ne K edge are calculated using an ab initio theory suitable for optical…

Atomic Physics · Physics 2008-11-26 Christian Buth , Robin Santra , Linda Young

Electromagnetically induced transparency (EIT) in a ladder system involving a Rydberg level is known to yield giant optical nonlinearities for the probe field, even in the few-photon regime. This enhancement is due to the strong…

Quantum Physics · Physics 2016-12-21 A. Grankin , E. Brion , R. Boddeda , S. Ćuk , I. Usmani , A. Ourjoumtsev , P. Grangier

The transient behaviour of organic electrochemical transistors (OECT) is complex due to mixed ionic-electronic properties that play a central role in bioelectronics, sensing and neuromorphic applications. We investigate the impedance…

Materials Science · Physics 2024-08-06 Juan Bisquert , Scott T. Keene

This is the documentation of Computed Tomography (CT) data of a pen-spring. The open data set is available at https://zenodo.org/record/3266936#.XRyMdCZS9oA and can be freely used for scientific purposes with appropriate references to the…

Medical Physics · Physics 2019-07-04 Juliaana Juurakko , Zenith Purisha , Simo Särkkä

We demonstrate ladder-type electromagnetically induced transparency (EIT) using an optical nanofiber suspended in a warm rubidium vapor. The signal and control fields are both guided along the nanofiber, which enables strong nonlinear…

Quantum Physics · Physics 2015-10-06 D. E. Jones , J. D. Franson , T. B. Pittman

This article describes a method called Lorentz Force Electrical Impedance Tomography. The electrical conductivity of biological tissues can be measured through their sonication in a magnetic field: the vibration of the tissues inside the…

Medical Physics · Physics 2014-02-12 Pol Grasland-Mongrain , Jean-Martial Mari , Jean-Yves Chapelon , Cyril Lafon

Electron tomography is a widely used experimental technique for analyzing nanometer-scale structures of a large variety of materials in three dimensions. Unfortunately, the acquisition of conventional electron tomography tilt series can…

Materials Science · Physics 2020-10-01 Hans Vanrompay , Alexander Skorikov , Eva Bladt , Armand Béché , Bert Freitag , Jo Verbeeck , Sara Bals

In electromagnetically-induced transparency (EIT), the absorption of a probe beam is greatly reduced due to destructive interference between two dressed atomic states produced by a strong laser beam. Here we show that a similar reduction in…

Quantum Physics · Physics 2009-11-13 J. D. Franson , S. M. Hendrickson

X-ray Computed Tomography (CT) is used to recover the true surfaces of fluid channels and fed to simulation tool (ANSYS) to create accurate cyber environment. The simulation tool also receives CT-assisted multiphase fluid profiles…

Fluid Dynamics · Physics 2024-08-06 Vaishali Sharma , Arpit Kumar , Snehlata Shakya , Mayank Goswami

We investigate the origin of purported "spin accumulation" signals observed in local "three-terminal" (3T) measurements of ferromagnet/insulator/n-Si tunnel junctions using inelastic electron tunneling spectroscopy (IETS). Voltage bias and…

Materials Science · Physics 2014-10-02 Holly N. Tinkey , Pengke Li , Ian Appelbaum

We present a theoretical model for electromagnetically induced transparency (EIT) in vapor, that incorporates atomic motion and velocity-changing collisions into the dynamics of the density-matrix distribution. Within a unified formalism we…

Quantum Physics · Physics 2008-06-06 O. Firstenberg , M. Shuker , R. Pugatch , D. R. Fredkin , N. Davidson , A. Ron

We analyze theoretically the phenomenon of electromagnetically induced transparency (EIT) under conditions where the probe laser is not in the usual weak limit. We consider the effects in both three-level and four-level systems, which are…

Optics · Physics 2015-05-19 Kanhaiya Pandey , Dipankar Kaundilya , Vasant Natarajan

Detection of a single nuclear spin constitutes an outstanding problem in different fields of physics such as quantum computing or magnetic imaging. Here we show that the energy levels of a single nuclear spin can be measured by means of…

Mesoscale and Nanoscale Physics · Physics 2011-12-16 F. Delgado , J. Fernández-Rossier