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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

We introduce a simple model for electromagnetically induced transparency in which all fields are treated quantum mechanically. We study a system of three separated atoms at fixed positions in a one-dimensional multimode optical cavity. The…

Quantum Physics · Physics 2018-05-09 Thomas Purdy , Martin Ligare

We discuss a \Lambda-like model of atomic levels involving two autoionizing (AI) states of the same energy. The system is irradiated by two external electromagnetic fields (strong -- driving and weak -- probing ones). For such a system…

Quantum Physics · Physics 2013-12-02 T. Bui Dinh , W. Leoński , V. Cao Long , J. Peřina

We study intensity distribution of transmission resonances under the conditions of electromagnetically induced transparency (EIT) with lin||lin configuration in 87Rb vapor. We demonstrate that for various orientations of the external…

In the regime of Rydberg electromagnetically induced transparency, we study the correlated behaviors between the transmission spectra of a pair of probe fields passing through respective parallel one-dimensional cold Rydberg ensembles. Due…

Quantum Physics · Physics 2024-11-13 Lei Huang , Peng-fei Wang , Han-xiao Zhang , Yu Zhu , Hong Yang , Dong Yan

Autler-Townes splitting (ATS) and electromagnetically-induced transparency (EIT) both yield transparency in an absorption profile, but only EIT yields strong transparency for a weak pump field due to Fano interference. Empirically…

Quantum Physics · Physics 2011-11-28 Petr M. Anisimov , Jonathan P. Dowling , Barry C. Sanders

We investigated numerically the electromagnetically induced transparency (EIT) behavior with the maximum Q factor is up to 28000 in a metal-dielectric metamaterial. It composed of two layers, a metallic strip as bright mode stacked above a…

Optics · Physics 2019-08-26 Bingxin Han , Zhi Hong

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

The electromagnetically induced transparency (EIT) phenomenon has been investigated in a $\Lambda$-system of the $^{87}$Rb D$_1$ line in an external transverse magnetic field. Two spectroscopic cells having strongly different values of the…

The temporal evolution of electromagnetically induced transparency (EIT) and absorption (EIA) coherence resonances in pump-probe spectroscopy of degenerate two-level atomic transition is studied for light intensities below saturation.…

Quantum Physics · Physics 2009-11-07 P. Valente , H. Failache , A. Lezama

We investigate the dynamics of a generic interacting many-body system under conditions of electromagnetically induced transparency (EIT). This problem is of current relevance due to its connection to non-linear optical media realized by…

We report experimental measurements showing how one can combine quantum interference and thermal Doppler shifts at room temperature to detect weak magnetic fields. We pump ${}^{87}$Rb atoms to a highly-excited, Rydberg level using a probe…

Atomic Physics · Physics 2024-07-25 Shovan Kanti Barik , Silpa B S , M Venkat Ramana , Shovan Dutta , Sanjukta Roy

We have studied electromagnetically induced transparency (EIT) in diatomic cesium molecules in a vapor cell by using tunable diode lasers. We have observed a sub-natural Lambda-resonance in an absorption molecular band at different cesium…

We perform spectroscopic measurements of electromagnetically induced transparency (EIT) in a strongly interacting Rydberg gas, and observe a significant spectral shift of the transparency from the single-atom EIT resonance as well as a…

Atomic Physics · Physics 2016-10-17 Jingshan Han , Thibault Vogt , Wenhui Li

We present a Maxwell-Bloch description of the dynamics of a light pulse propagating through a spatially inhomogeneous system consisting of alternating layers of EIT media and vacuum. We study the effect of a dynamical modulation of the EIT…

Quantum Physics · Physics 2013-05-29 Francesco Bariani , Iacopo Carusotto

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 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

Two-dimensional electronic spectroscopy (2DES) has high spectral resolution and is a useful tool for studying atom dynamics. In this paper, we show a smallest unit of electromagnetically induced transparency (EIT) for 2DES, that is, a…

Quantum Physics · Physics 2025-01-07 Jing-Yi-Ran Jin , Hao-Yue Zhang , Yi-Xuan Yao , Rong-Hang Chen , Qing Ai

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 have studied the phenomenon of electromagnetically induced transparency (EIT) of 87Rb vapor with a buffer gas in a magnetic field at room temperature. It is found that the spectral lines caused by the velocity selective optical pump…

Atomic Physics · Physics 2017-03-09 Cheng Hong , Wang Han-mu , Zhang Shan-Shan , Xin Pei-Pei , Luo Jun , Liu Hong-Ping