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We study the limitations on observing transient amplification in atomic systems exhibiting electromagnetically induced transparency (EIT) and evaluate the limits of optical Bloch equation (OBE) models. Using propagation-based Maxwell-Bloch…

Quantum Physics · Physics 2025-09-29 Andrew MacRae , Connor Kupchak

We study single-photon induced electromagnetically induced transparency (EIT) in many-emitter waveguide quantum electrodynamics (wQED) with linear and nonlinear waveguide dispersion relations. In the single-emitter problem, in addition to…

Quantum Physics · Physics 2024-06-03 Tiberius Berndsen , Imran M. Mirza

Most recently, a brand new optical phenomenon, collectively induced transparency (CIT) has already been proposed in the cavity quantum electrodynamics system, which comes from the coupling between the cavity and ions and the quantum…

Optics · Physics 2025-01-03 Wei Huang , Shi-Ting Cao , Shi-Jun Liang , Shan Yin , Wentao Zhang

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

Electromagnetically induced transparency (EIT) is observed in a three-level system composed of an excited state and two coherent superpositions of the two ground-state levels. This peculiar ground state basis is composed of the so-called…

Quantum Physics · Physics 2015-05-14 T. Lauprêtre , J. Ruggiero , R. Ghosh , F. Bretenaker , F. Goldfarb

We present a technique for measuring ion temperature using cavity-based electromagnetically induced transparency (EIT) applicable for cavity QED systems. This method enables efficient extraction of the ion's phonon occupation number…

Quantum Physics · Physics 2026-03-27 Abhijit Kundu , Vijay Bhatt , Arijit Sharma

A comprehensive study of three-photon electromagnetically-induced transparency (EIT) and absorption (EIA) on the rubidium cascade $5S_{1/2} \rightarrow 5P_{3/2}$ (laser wavelength 780~nm), $5P_{3/2} \rightarrow 5D_{5/2}$ (776~nm), and…

Atomic Physics · Physics 2020-01-01 N. Thaicharoen , K. R. Moore , D. A. Anderson , R. C. Powel , E. Peterson , G. Raithel

Multi-photon electromagnetically-induced transparency (EIT) of atomic vapors involves several intermediate atomic levels. The sub-structure of these levels and their collisional interactions can drastically alter experimental EIT signals.…

Atomic Physics · Physics 2025-04-02 Alisher Duspayev , Georg Raithel

An optical spectroscopic method based on the principle of electromagnetically-induced transparency (EIT) is proposed as quite a generic probing tool that provides valuable insights into the nature of Fermi paring in ultracold Fermi gases of…

Quantum Gases · Physics 2015-05-14 Lei Jiang , Han Pu , Weiping Zhang , Hong Y. Ling

We show that the Electromagnetically Induced Transparency (EIT) is possible in a medium exhibiting Rydberg excitons and indicate the realistic parameters to perform the experiment. The calculations for a Cu$_2$O crystal are given which show…

Quantum Physics · Physics 2016-12-30 Sylwia Zielińska-Raczyńska , David Ziemkiewicz , Gerard Czajkowski

The increased spectral resolution allowed by the use of extremely thin vapor cells has led to the observation of interesting behaviour of alkali transitions when placed in a magnetic field. Particularly, transitions obeying an apparent…

Atomic Physics · Physics 2022-04-06 Armen Sargsyan , Arevik Amiryan , Ara Tonoyan , Emmanuel Klinger , David Sarkisyan

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 investigate experimentally and theoretically the coherent and incoherent processes in open 3-level ladder systems in room temperature gases and identify in which regime electromagnetically induced transparency (EIT) occurs. The…

Atomic Physics · Physics 2013-12-02 A. Urvoy , C. Carr , R. Ritter , C. S. Adams , K. J. Weatherill , R. Löw

We investigate the optical response of quantum dot molecules coherently driven by polarized laser light. Our description includes the splitting in excitonic levels caused by isotropic and anisotropic exchange interactions. We consider…

Mesoscale and Nanoscale Physics · Physics 2016-11-25 H. S. Borges , A. M. Alcalde , Sergio E. Ulloa

Resonant dipole-dipole interaction (RDDI) is ubiquitous in light-matter interacting systems and is responsible for many fascinating properties of collective radiations. Here we theoretically investigate the role of RDDI in…

Quantum Physics · Physics 2022-06-15 H. H. Jen , G. -D. Lin , Y. -C. Chen

We study a hybrid nano-mechanical system coupled to a spin ensemble as a quantum simulator to favor a quantum interference effect, the electromagnetically induced transparency (EIT). This system consists of two nano-mechanical resonators…

Quantum Physics · Physics 2015-05-27 Yue Chang , C. P. Sun

We study 85Rb atomic vapor for electromagnetically induced transparency (EIT) and obtain sub-natural EIT spectra at optical power higher than saturation intensity. It is shown that spectral width of transmission and intensity of EIT signal…

Atomic Physics · Physics 2011-01-21 S. M. Iftiquar

We discuss a laser cooling scheme for trapped atoms or ions which is based on double electromagnetically induced transparency (EIT) and makes use of a four-level atom in tripod configuration. The additional fourth atomic state is coupled by…

Quantum Physics · Physics 2009-11-10 Joerg Evers , Christoph H. Keitel

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 demonstrate electromagnetically induced transparency (EIT) in a sample of rubidium atoms, trapped in an optical dipole trap. Mixing a small amount of $\sigma^-$-polarized light to the weak $\sigma^+$-polarized probe pulses, we are able…