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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

Dissipation-free photon-photon interaction at the single photon level is studied in the context of cavity electromagnetically induced transparency (EIT). For a single multilevel atom exhibiting EIT in the strong cavity-coupling regime, the…

Quantum Physics · Physics 2009-10-31 M. J. Werner , A. Imamoglu

Correlation spectroscopy has been proposed as a spectroscopic technique for measuring the coherence between the ground states in electromagnetically induced transparency (EIT). While in time domain the steep dispersion in EIT condition…

Atomic Physics · Physics 2016-07-13 H. M. Florez , C. González , M. Martinelli

We have observed two dual electromagnetically induced transparency (EIT) spectra in probe transmission through cold $^{87}Rb$ atoms trapped in a magneto-optical trap (MOT). These dual EIT peaks are generated in two different N-systems…

Atomic Physics · Physics 2019-05-21 Charu Mishra , A. Chakraborty , S. P. Ram , S. Singh , V. B. Tiwari , S. R. Mishra

Metamaterials are engineered materials composed of small electrical circuits producing novel interactions with electromagnetic waves. Recently, a new class of metamaterials has been created to mimic the behavior of media displaying…

Interest in lossless nonlinearities has focussed on the the dispersive properties of $\Lambda $ systems under conditions of electromagnetically induced transparency (EIT). We generalize the lambda system by introducing further degenerate…

We present an experiment using a sample of laser-cooled Rb atoms to show that cross-phase modulation schemes continue to benefit from electromagnetically-induced transparency (EIT) even as the transparency window is made narrower than the…

Quantum Physics · Physics 2016-05-04 Greg Dmochowski , Amir Feizpour , Matin Hallaji , Chao Zhuang , Alex Hayat , Aephraim Steinberg

We study the intensity-intensity correlations of the radiation emitted on probe transition in a three level cascade electromagnetically induced transparency (EIT) scheme. By applying an incoherent pump, we also monitor further changes in…

Quantum Physics · Physics 2014-09-04 Shaik Ahmed , Preethi N. Wasnik , Suneel Singh , P. Anantha Lakshmi

Electrical impedance tomography (EIT) is a non-invasive imaging technique, capable of reconstructing images of the electrical conductivity of tissues and materials. It is popular in diverse application areas, from medical imaging to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Shuaikai Shi , Ruiyuan Kang , Panos Liatsis

Interfacing solid-state defect electron spins to other quantum systems is an ongoing challenge. The ground-state spin's weak coupling to its environment bestows excellent coherence properties, but also limits desired drive fields. The…

We consider propagation of a probe pulse in an atomic medium characterized by a combined tripod and Lambda ($\Lambda$) atom-light coupling scheme. The scheme involves three atomic ground states coupled to two excited states by five light…

Quantum Physics · Physics 2017-12-01 H. R. Hamedi , J. Ruseckas , G. Juzeliūnas

Light transport in a dense and disordered cold atomic ensemble, where the cooperation of atomic dipoles essentially modifies their coupling with the radiation modes, offers an alternative approach to light-matter interfacing protocols.…

Quantum Physics · Physics 2015-05-19 A. S. Sheremet , D. F. Kornovan , L. V. Gerasimov , B. Gouraud , J. Laurat , D. V. Kupriyanov

We implement double electromagnetically-induced transparency (double EIT) in rubidium vapor, using a tripod-shaped energy level scheme consisting of hyperfine and magnetic sublevels of the 5S1/2 to 5P1/2 transition. We show experimentally…

Quantum Physics · Physics 2009-11-13 Andrew MacRae , Geoff Campbell , A. I. Lvovsky

In this paper, we theoretically and experimentally demonstrate a three dimensional metamaterial that can motivate electromagnetic induced transparency (EIT) by using circular polarized wave as stimulations. The unit cell consists of a pair…

Classical Physics · Physics 2017-01-25 Hai Lin , Dong Yang , Song Han , Yangjie Liu , Helin Yang

Electromagnetically induced transparency (EIT) on atomic D$_{1}$ line of rubidium is studied using a nanometric-thin cell with atomic vapor column length in the range of L= 400 - 800 nm. It is shown that the reduction of the cell thickness…

We observe EIT in a V-system in a thermal rubidium-87 vapour in the hyperfine Paschen-Back regime, realised with a 0.6 T axial magnetic field. In this regime energy levels are no longer degenerate and EIT features from different initial…

Atomic Physics · Physics 2021-09-16 Clare R Higgins , Ifan G Hughes

We theoretically investigate a double-{\Lambda} electromagnetically induced transparency (EIT) system. The property of the double-{\Lambda} medium with a closed-loop configuration depends on the relative phase of the applied laser fields.…

Quantum Physics · Physics 2014-09-16 Yi-Hsin Chen , Pin-Ju Tsai , Ite A. Yu , Ying-Cheng Chen , Yong-Fan Chen

We realize a suppression of an electromagnetically induced transparency (EIT) like transmission in a metasurface induced by a local electric field that is strongly enhanced based on two approaches: squeezing of electromagnetic energy in…

Optics · Physics 2015-10-12 Yasuhiro Tamayama , Keisuke Hamada , Kanji Yasui

We show theoretically the presence of electromagnetically induced transparency (EIT) like feature in a {\Lambda}-type atom-molecule coupled system. We demonstrate that EIT in such a systems has a sharp dispersion characteristic which is…

Optics · Physics 2022-11-23 Sandeep Sharma , Bimalendu Deb , Tarak N. Dey

Metamaterial analogues of electromagnetically induced transparency (EIT) have been intensively studied and widely employed for slow light and enhanced nonlinear effects. In particular, the active modulation of the EIT analogue and…

Optics · Physics 2017-11-15 Shuyuan Xiao , Tao Wang , Tingting Liu , Xicheng Yan , Zhong Li , Chen Xu