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We report spectroscopy experiments of rubidium vapor in a high magnetic field under conditions of electromagnetically induced transparency (EIT) and optical pumping. The 1.1 T static magnetic field decouples nuclear and electronic spins and…

Quantum Physics · Physics 2023-12-29 Roberto Mottola , Gianni Buser , Philipp Treutlein

Electromagnetically induced transparency (EIT) is an important quantum optical phenomenon which provides a crucial tool for light manipulation. However, typically the transparency window is broad, limited by the coherence time of the…

Quantum Physics · Physics 2025-03-06 He-bin Zhang , Yuanjiang Tang , Yong-Chun Liu

The polarization of optical fields is a crucial degree of freedom in the all-optical analogue of electromagnetically induced transparency (EIT). However, the physical origins of EIT and polarization induced phenomena have not been well…

We discuss the Electromagnetically Induced Transparency (EIT) in lambda, cascade and vee type three-level systems where the Hamiltonian and the Lindblad term of each configuration are expressed in the $SU(3)$ representation. At steady…

Quantum Physics · Physics 2016-12-28 Surajit Sen , Tushar Kanti Dey , Mihir Ranjan Nath , Gautam Gangopadhyay

We theoretically study electromagnetically induced transparency (EIT) in reflection spectra of V-type system at the gas-solid interface. In addition to a narrow dip arising from the EIT effect, we find the other particular saturation effect…

Atomic Physics · Physics 2016-11-16 Tengfei Meng , Yanting Zhao , Zhonghua Ji , Dianqiang Su , Liantuan Xiao , Suotang Jia

Electromagnetically induced transparency (EIT) is observed in gaseous 4He at room temperature. Ultra-narrow (less than 10 kHz) EIT windows are obtained for the first time for purely electronic spins in the presence of Doppler broadening.…

Electrical Impedance Tomography (EIT) is a powerful imaging technique with diverse applications, e.g., medical diagnosis, industrial monitoring, and environmental studies. The EIT inverse problem is about inferring the internal conductivity…

Machine Learning · Computer Science 2023-10-31 Derick Nganyu Tanyu , Jianfeng Ning , Andreas Hauptmann , Bangti Jin , Peter Maass

In this paper, a new structure is proposed which is expected to realize dual-band electromagnetically induced transparency (EIT)-like effect in terahertz spectrum. It can be regarded as a metamaterial of grating-like elements composed of…

Optics · Physics 2022-01-12 Chaoying Zhao , Jiahao Hu

We present a theoretical formulation of competition among electromagnetically induced transparency (EIT) and Raman processes. The latter become important when the medium can no longer be considered to be dilute. Unlike the standard…

Optics · Physics 2007-05-23 G. S. Agarwal , T. N. Dey , Daniel J. Gauthier

In this paper, a new counter-propagation waves coupling mechanism is proposed which is expected to realize an electromagnetically induced transparency (EIT)-like effect. Comparing the travelling waves coupling mechanism (see J. Mod. Opt.…

Optics · Physics 2023-01-11 Chaoying Zhao

We study the absorption and dispersion properties of a weak tunable probe field in a four-level Y-type atomic system driven by two strong laser (coupling) fields within the framework of density matrix formalism. It is found that the probe…

Atomic Physics · Physics 2014-03-12 L. Safari , D. Iablonskyi , F. Fratini

We study the optical properties associated to both the polariton gap and the Bragg gap in periodic resonator-waveguide coupled system, based on the temporal coupled mode theory and the transfer matrix method. By the complex band and the…

Optics · Physics 2015-12-09 Z. Z. Liu , Q. Zhang , J. J. Xiao

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 investigate the effect of band-limited white Gaussian noise (BLWGN) on electromagnetically induced transparency (EIT) and Autler-Townes (AT) splitting, when performing atom-based continuous-wave (CW) radio-frequency (RF) electric (E)…

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

The propagation of light in moving media is dragged by atomic motion. The light-drag effect can be dramatically enhanced by reducing the group velocity with electro-magnetically induced transparency (EIT). We develop a systematic procedure…

Atomic Physics · Physics 2022-05-24 Yuzhuo Wang , Jian Zhao , Xing Huang , Liyang Qiu , Lingjing Ji , Yudi Ma , Yizun He , James P. Sobol , Saijun Wu

We perform Zeeman spectroscopy on a Rydberg electromagnetically induced transparency (EIT) system in a room-temperature Cs vapor cell, in magnetic fields up to 50~Gauss and for several polarization configurations. The magnetic interactions…

Atomic Physics · Physics 2017-06-01 Linjie Zhang , Shanxia Bao , Hao Zhang , Georg Raithel , Jianming Zhao , Liantuan Xiao , Suotang Jia

We present a convenient and efficient way to exchange and distribute multipartite entangled state via atomic coherence induced by electromagnetically induced transparency (EIT) in an atomic ensemble. By using the EIT-based nondegenerate…

Quantum Physics · Physics 2014-07-25 Xihua Yang , Bolin Xue , Junxiang Zhang , Shiyao Zhu

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

Electromagnetically induced transparency (EIT) and Autler-Townes splitting (ATS) are generally characterized and distinguished by the width of the transparency created in the absorption profile of a weak probe in presence of a strong…

Quantum Physics · Physics 2023-11-16 Arif Warsi Laskar , Pratik Adhikary , Niharika Singh , Saikat Ghosh
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