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Electromagnetically-induced transparency (EIT) exploits quantum coherence to burn subnatural linewidth holes within a spectral line. We investigate the less explored properties of EIT to effect absorptive nonlinear processes without…

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

The metamaterial analogue of electromagnetically induced transparency (EIT) in terahertz (THz) regime holds fascinating prospects for filling the THz gap in various functional devices. In this paper, we propose a novel hybrid metamaterial…

Optics · Physics 2018-08-01 Tingting Liu

The electromagnetically induced transparency (EIT) phenomenon in earlier universe is considered. We evaluated the elementary processes of the single scattering of photon on the hydrogen atom with the purpose of their use in the tasks of the…

Atomic Physics · Physics 2022-02-10 D. Solovyev , V. K. Dubrovich

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

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 consider a hybrid atom-optomechanical system incorporating N identical $\Lambda$-type atoms. The system is subjected to dual optical and phononic drives. We show that by exploiting the optomechanical linear and quadratic interactions,…

Quantum Physics · Physics 2022-08-09 M. Hunza , M. Asjad , T. Abbas , M. Qasymeh , B. Teklu , H. Eleuch

We present a proof-of-principle experiment in which the population of an atomic level is spatially localized using the technique of electromagnetically-induced transparency (EIT). The key idea is to utilize the sensitive dependence of the…

Atomic Physics · Physics 2015-05-20 N. A. Proite , Z. J. Simmons , D. D. Yavuz

Electromagnetically induced transparency (EIT) is a phenomenon that can provide strong and robust interfacing between optical signals and quantum coherence of electronic spins. In its archetypical form, mainly explored with atomic media, it…

Optical nonlinearities offer unique possibilities for the control of light with light. A prominent example is electromagnetically induced transparency (EIT) where the transmission of a probe beam through an optically dense medium is…

Controlling the optical response of a medium through suitably tuned coherent electromagnetic fields is highly relevant in a number of potential applications, from all-optical modulators to optical storage devices. In particular,…

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

We show that an alkali atom with a tripod electronic structure can yield rich electromagnetically induced transparency phenomena even at room temperature. In particular we introduce double-double electromagnetically induced transparency…

Quantum Physics · Physics 2014-03-05 Hessa M. M. Alotaibi , Barry C. Sanders

We examine electromagnetically induced transparency (EIT) in an ensemble of cold $\Lambda-$type atoms induced by a quantum control field in multi-mode coherent states and compare it with the transparency created by the classical light of…

Quantum Physics · Physics 2016-04-05 Anahit Gogyan , Yuri Malakyan

Recent years have seen vast progress in the generation and detection of structured light, with potential applications in high capacity optical data storage and continuous variable quantum technologies. Here we measure the transmission of…

The gain-assisted plasmonic analogue of electromagnetically induced transparency (EIT) in a metallic metamaterial is investigated for the purpose to enhance the sensing performance of the EIT-like plasmonic structure. The structure is…

A nondegenerate four-level N-type scheme was experimentally implemented to observe electromagnetically induced transparency (EIT) at the $^{87}$Rb D$_{2}$ line. Radiations of two independent external-cavity semiconductor lasers were used in…

Quantum Physics · Physics 2009-11-06 V. M. Entin , I. I. Ryabtsev , A. E. BoguslavskiI , I. M. Beterov

We report the phenomena of electromagnetically induced transparency (EIT) and electromagnetically induced absorption (EIA) using two identical beams in rubidium atomic vapor. The {\Lambda}-type EIT configuration is employed to examine the…

Atomic Physics · Physics 2025-03-03 Lin Cheng , Zhiyuan Xiong , Shuaishuai Hou , Yijia Sun , Chenyu Dong , Fan Wu , Kun Huang

We investigate multiple electromagnetically induced transparency (EIT) in a waveguide quantum electrodynamics (wQED) system containing an atom array. By analyzing the effective Hamiltonian of the system, we find that in terms of the…

Quantum Physics · Physics 2022-10-04 W. Z. Jia , Q. Y. Cai

We investigate the optical properties of a two-level system (TLS) coupled to a linear series of $N$ other TLS's with dipole-dipole coupling between the first neighbours. The first TLS is probed by weak field and we assume that it has a…

Quantum Physics · Physics 2018-04-25 Emanuel C. Diniz , Halyne S. Borges , Celso J. Villas-Boas