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Related papers: Ladder-type electromagnetically induced transparen…

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We report electromagnetically induced transparency (EIT) in cold 85Rb atoms, trapped in the lower hyperfine level F = 2, of the ground state 5$^{2}S_{1/2}$ (Tiwari V B \textit{et al} 2008 {\it Phys. Rev.} A {\bf 78} 063421). Two steady…

Atomic Physics · Physics 2015-05-14 V. B. Tiwari , S. Singh , H. S. Rawat , Manoranjan P. Singh , S. C. Mehendale

We report on the observation of electromagnetically induced transparency (EIT) with intrinsic phase transitions in a three-level ladder system within rubidium atomic vapor. The observed abrupt transitions between low and high Rydberg…

Optics · Physics 2025-04-16 Lin Cheng , Kun Huang , Chunhui Shao , Fan Wu , Zhiyuan Xiong , Yanpeng Zhang

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 study electromagnetically induced transparency (EIT) in a heated potassium vapor cell, using a simple optical setup with a single free-running diode laser and an acousto-optic modulator. Despite the fact that the Doppler width is…

Optics · Physics 2016-07-01 Andreas Lampis , Robert Culver , Balázs Megyeri , Jon Goldwin

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.…

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

We propose a scheme to realize parity-time (PT) symmetry via electromagnetically induced transparency (EIT). The system we consider is an ensemble of cold four-level atoms with an EIT core. We show that the cross-phase modulation…

Quantum Physics · Physics 2015-06-16 Huijun Li , Jianpeng Dou , Guoxiang Huang

Electromagnetically induced transparency (EIT) in terahertz (THz) metamaterials relies on the coherent coupling between a radiative (bright) mode and a subradiant (dark) mode. Understanding the dynamic interplay between the bright and dark…

Optics · Physics 2025-12-18 Amit Haldar , Shriganesh Prabhu , Shovon Pal

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

We present, experimentally and theoretically, a scheme for dressed-state electromagnetically induced transparency (EIT) in a three-step cascade system where a four-level system is mapped into an effective three-level system. Theoretical…

Atomic Physics · Physics 2016-09-22 Nikola Šibalić , Jorge M. Kondo , Charles S. Adams , Kevin J. Weatherill

We present an experimental study of cavity assisted Rydberg atom electromagnetically induced transparency (EIT) using a high-finesse optical cavity ($F \sim 28000$). Rydberg atoms are excited via a two-photon transition in a ladder-type EIT…

Atomic Physics · Physics 2017-09-13 Jiteng Sheng , Yuanxi Chao , Santosh Kumar , Haoquan Fan , Jonathon Sedlacek , James P. Shaffer

We construct the electromagnetically induced transparency (EIT) by dynamically coupling a superradiant state with a subradiant state. The superradiant and subradiant states with enhanced and inhibited decay rates act as the excited and…

Atomic Physics · Physics 2017-04-05 Wei Feng , Da-Wei Wang , Han Cai , Shi-Yao Zhu , Marlan O. Scully

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

Here we present a microscopic model that describes the Electromagnetically Induced Transparency (EIT) phenomenon in the multiple scattering regime. We consider an ensemble of cold three-level atoms, in a $\Lambda$ configuration, scattering…

Quantum Physics · Physics 2021-12-22 M. H. Oliveira , C. E. Máximo , C. J. Villas-Boas

We propose a novel configuration that utilizes electromagnetically induced transparency (EIT) to tailor a fiber mode propagating inside a thin optical fiber and coherently control its dispersion properties to drastically reduce the group…

Quantum Physics · Physics 2009-11-07 Anil K. Patnaik , J. Q. Liang , K. Hakuta

We theoretically investigate the phenomenon of electromagnetically induced transparency (EIT) of a weak probe field in hybrid optomechanics with a single three-level ($\Lambda$-type) atomic system. We report that, in the presence of…

Quantum Physics · Physics 2015-12-24 M. Javed Akram , Fazal Ghafoor , Farhan Saif

We develop a fully quantum treatment of electromagnetically induced transparency (EIT) in a vapor of three-level $\Lambda$-type atoms. Both the probe and coupling lasers with arbitrary intensities are quantized, and treated on the same…

Quantum Physics · Physics 2007-05-23 Le-Man Kuang , Guang-Hong Chen , Yong-Shi Wu

Enhanced sensitivity in electromagnetically induced transparency (EIT) can be obtained by the use of noise correlation spectroscopy between the fields involved in the process. Here, we investigate EIT in a cold ($< 1$ mK) rubidium vapor and…

The electromagnetically induced transparency (EIT) phenomenon in a four level atomic system with tripod configuration is studied. The results show that this configuration is equivalent to the combination of two single three-level $\Lambda$…

Quantum Physics · Physics 2007-11-20 Xiao Li , Yu Liu , Hong Guo

Electromagnetically induced transparency (EIT) in a ladder system involving a Rydberg level is known to yield giant optical nonlinearities for the probe field, even in the few-photon regime. This enhancement is due to the strong…

Quantum Physics · Physics 2016-12-21 A. Grankin , E. Brion , R. Boddeda , S. Ćuk , I. Usmani , A. Ourjoumtsev , P. Grangier