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Electromagnetically induced transparency (EIT) is a signature of quantum interference in an atomic three-level system. By driving the dressed cavity-qubit states of a two-dimensional circuit QED system, we generate a set of polariton states…

Quantum Physics · Physics 2018-02-27 Junling Long , H. S. Ku , Xian Wu , Xiu Gu , Russell E. Lake , Mustafa Bal , Yu-xi Liu , David P. Pappas

Electromagnetically induced transparency (EIT) in three-level systems uses a strong control laser on one transition to modify the absorption of a weak probe laser on a second transition. The control laser creates dressed states whose decay…

Optics · Physics 2016-11-07 Sumanta Khan , Vineet Bharti , Vasant Natarajan

Electromagnetically Induced Transparency (EIT) cooling is a well-established method for preparing trapped ion systems in their motional ground state. However, isolating a three-level system, as required for EIT cooling, is often challenging…

Atomic Physics · Physics 2026-01-12 Katya Fouka , Athreya Shankar , Ting Rei Tan , Arghavan Safavi-Naini

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

Strong optical nonlinearities are key to a range of technologies, particularly in the generation of photonic quantum states. The strongest nonlinearity in hot atomic vapors originates from electromagnetically induced transparency (EIT),…

Quantum Physics · Physics 2025-03-18 Sutapa Ghosh , Alexey Gorlach , Chen Mechel , Maria V. Chekhova , Ido Kaminer , Gadi Eisenstein

We show that it is possible to change from a {\it subnatural} electromagnetically induced transparency (EIT) feature to a {\it subnatural} electromagnetically induced absorption (EIA) feature in a (degenerate) three-level $\Lambda$ system.…

Optics · Physics 2012-06-14 Sapam Ranjita Chanu , Kanhaiya Pandey , Vasant Natarajan

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 theoretically investigate the tunneling-induced transparency (TIT) and the Autler-Townes (AT) doublet and triplet in a triple-quantum-dot system. For the resonant tunneling case, we show that the TIT induces a transparency dip in a…

Optics · Physics 2018-05-16 Xiao-Qing Luo , Zeng-Zhao Li , Jun Jing , Tie-Fu Li , Ting Yu , J. Q. You

Electromagnetically induced transparency (EIT) is an important tool for controlling light propagation and nonlinear wave mixing in atomic gases with potential applications ranging from quantum computing to table top tests of general…

Quantum Physics · Physics 2009-11-13 James Owen Weatherall , Christopher P. Search , Markku Jaaskelainen

We consider propagation of a probe pulse in an atomic medium characterized by a combined tripod and Lambda ($\Lambda$) atom-light coupling scheme. The scheme involves three atomic ground states coupled to two excited states by five light…

Quantum Physics · Physics 2017-12-01 H. R. Hamedi , J. Ruseckas , G. Juzeliūnas

We study acoustic wave propagation in a waveguide loaded with two resonant side-branch channels. In the low frequency regime, one-dimensional models are derived in which the effect of the channels are reduced to jump conditions across the…

Classical Physics · Physics 2022-04-20 Richard Porter , Kim Pham , Agnes Maurel

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…

We report the electromagnetically-induced-transparency (EIT) cooling of $^{137}\mathrm{Ba}^{+}$ ions with a nuclear spin of $I=3/2$, which are a good candidate of qubits for future large-scale trapped ion quantum computing. EIT cooling of…

We theoretically investigate light propagation and electromagnetically induced transparency (EIT) in a quasi one-dimensional gas in which atoms interact strongly via exchange interactions. We focus on the case in which the gas is initially…

Atomic Physics · Physics 2014-08-01 Weibin Li , Daniel Viscor , Sebastian Hofferberth , Igor Lesanovsky

We study the absorption spectrum of a probe field by a {\Lambda}-type three-level system, which is coupled to a quantized control field through the two upper energy levels. The probe field is applied to the ground and the second excited…

Quantum Physics · Physics 2017-07-11 Jiang-Hao Ding , Sai-nan Huai , Hou Ian , Yu-xi Liu

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…

We discuss the use of electromagnetically modified absorption to achieve selective excitation in atoms: that is, the laser excitation of one transition while avoiding simultaneously exciting another transition whose frequency is the same as…

Quantum Physics · Physics 2007-05-23 M. J. McDonnell , D. N. Stacey , A. M. Steane

We present an experimental investigation on the spectral characteristics of an artificial atom "transmon qubit" constituting a three-level cascade system ({\Xi}-system) in the presence of a pair of external driving fields. We observe two…

Superconductivity · Physics 2015-06-19 Sung Un Cho , Han Seb Moon , Young-Tak Chough , Myung-Ho Bae , Nam Kim

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

Narrow-band invisibility in an otherwise opaque medium has been achieved by electromagnetically induced transparency (EIT) in atomic systems. The quantum EIT behaviour can be classically mimicked by specially engineered metamaterials via…

Superconductivity · Physics 2015-12-23 Daimeng Zhang , Melissa Trepanier , Oleg Mukhanov , Steven. M. Anlage