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We have experimentally studied propagation of two optical fields in a dense rubidium (Rb) vapor in the case when an additional microwave field is coupled to the hyperfine levels of Rb atoms. The Rb energy levels form a close-lambda…

Quantum memories promise to enable global quantum repeater networks. For field applications, alkali metal vapors constitute an exceptional storage platform, as neither cryogenics, nor strong magnetic fields are required. We demonstrate a…

We present a realistic theoretical treatment of a three-level $\Lambda$ system in a hot atomic vapor interacting with a coupling and a probe field of arbitrary strengths, leading to electromagnetically-induced transparency and slow light…

Quantum Physics · Physics 2015-05-13 Joyee Ghosh , R. Ghosh , F. Goldfarb , J. -L. Le Gouët , F. Bretenaker

We describe how electromagnetically induced transparency may be used to construct a non-traditional near-ideal quantum heat engine as constrained by the Second Law. The engine is pumped by a thermal reservoir that may be either hotter or…

Quantum Physics · Physics 2016-12-21 S. E. Harris

Metamaterials are engineered materials composed of small electrical circuits producing novel interactions with electromagnetic waves. Recently, a new class of metamaterials has been created to mimic the behavior of media displaying…

We experimentally and theoretically analyze the transmission of continuous-wave and pulsed squeezed vacuum through rubidium vapor under the conditions of electromagnetically induced transparency. Frequency- and time-domain homodyne…

Quantum Physics · Physics 2009-03-09 Eden Figueroa , Mirko Lobino , Dmitry Korystov , Juergen Appel , A. I. Lvovsky

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 propose a laser-controlled plasma shutter technique to generate sharp laser pulses using a process analogous to electromagnetically-induced transparency in atoms. The shutter is controlled by a laser with moderately strong intensity,…

Optics · Physics 2017-07-20 Kenan Qu , Nathaniel J. Fisch

We report electromagnetically induced transparency using quantized fields in optomechanical systems. The weak probe field is a narrow band squeezed field. We present a homodyne detection of EIT in the output quantum field. We find that the…

Quantum Physics · Physics 2015-05-27 Sumei Huang , G. S. Agarwal

We demonstrate laser frequency stabilization to excited state transitions using cascade electromagnetically induced transparency (EIT). Using a room temperature Rb vapor cell as a reference, we stabilize a first diode laser to the D2…

We use weak-value amplification to enhance the polarization-sensitive fast-light effect from induced Raman absorption in hot rubidium vapor. We experimentally demonstrate that projecting the output signal into an appropriate polarization…

We show that a weak probe light beam can form spatial solitons in an electro-magnetically induced transparency (EIT) medium composed of four-level atoms and a coupling light field. We find that the coupling light beam can induce a highly…

Quantum Physics · Physics 2007-05-23 Tao Hong

The paper addresses the shortcoming of current event-based vision (EBV) sensors in the context of particle imaging. Latency is introduced both on the pixel level as well as during read-out from the array and results in systemic timing…

Fluid Dynamics · Physics 2023-05-24 Christian E. Willert

We discuss the propagation of laser radiation through a medium of quantum prepared {\Lambda}-type atoms in order to enhance the insight into the physics of QS-PT generator suggested in Phys. Rev. A 80, 035801 (2009). We obtain analytical…

Quantum Physics · Physics 2015-05-28 Gevorg Muradyan , Atom Zh. Muradyan

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

We obtain subnatural linewidth (i.e. $<\Gamma$) for probe absorption in room-temperature Rb vapor using electromagnetically induced transparency (EIT) in a $\Lambda$ system. For stationary atoms, the EIT dip for a resonant control laser is…

Atomic Physics · Physics 2010-08-20 S. M. Iftiquar , G. R. Karve , Vasant Natarajan

We present a detailed theoretical description of the generation of stationary light pulses by standing wave electromagnetically induced transparency in media comprised of stationary atoms. We show that, contrary to thermal gas media, the…

Quantum Physics · Physics 2007-05-23 Kristian Rymann Hansen , Klaus Molmer

We observe electromagnetically induced transparency (EIT) on the 5s to 5p transition in a room temperature rubidium vapour cell by coupling the 5p state to a Rydberg state (ns or nd with n=26 to 124). We demonstrate that the narrow…

Quantum Physics · Physics 2015-06-26 A. K. Mohapatra , T. R. Jackson , C. S. Adams

High degrees of intensity correlation between two independent lasers were observed after propagation through a rubidium vapor cell in which they generate Electromagnetically Induced Transparency (EIT). As the optical field intensities are…

Quantum Physics · Physics 2016-08-14 L. S. Cruz , D. Felinto , J. G. Aguirre Gómez , M. Martinelli , P. Valente , A. Lezama , P. Nussenzveig

In electromagnetically-induced transparency (EIT), the absorption of a probe beam is greatly reduced due to destructive interference between two dressed atomic states produced by a strong laser beam. Here we show that a similar reduction in…

Quantum Physics · Physics 2009-11-13 J. D. Franson , S. M. Hendrickson
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