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We consider the dynamics of intracavity electromagnetically induced transparency (EIT) in an ensemble of strongly interacting Rydberg atoms. By combining the advantage of variable cavity lifetimes with intracavity EIT and strongly…

Quantum Physics · Physics 2015-12-15 G. W. Lin , Y. H. Qi , X. M. Lin , Y. P. Niu , S. Q. Gong

We present a quantum multi-modal treatment describing Electromagnetically Induced Transparency (EIT) as a mechanism for storing continuous variable quantum information in light fields. Taking into account the atomic noise and decoherences…

Quantum Physics · Physics 2007-07-10 G. Hétet , A. Peng , M. T. Johnsson , J. J. Hope , P. K. Lam

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 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

We design and demonstrate a compact and low-power band-engineered electro-optic (EO) polymer refilled silicon slot photonic crystal waveguide (PCW) modulator. The EO polymer is engineered for large EO activity and near-infrared…

Optics · Physics 2015-06-18 Xingyu Zhang , Amir Hosseini , Jingdong Luo , Alex K. -Y. Jen , Ray T. Chen

We study the electromagnetically induced transparency (EIT) effect with two individually addressed four-level Rydberg atoms subjected to the interatomic van der Waals interaction. We derive an effectively atomic Raman transition model where…

Quantum Physics · Physics 2014-10-15 Huaizhi Wu , Meng-Meng Bian , Li-Tuo Shen , Rong-Xin Chen , Zhen-Biao Yang , Shi-Biao Zheng

Dynamical evolution and electromagnetically induced transparency (EIT) is investigated here in a three-level $\lambda$-type atomic system including near-dipole-dipole interaction among atoms. The system is driven by the probe and coupling…

Optics · Physics 2018-09-26 Amitabh Joshi , Juan D. Serna

In this paper, we theoretically and experimentally demonstrate a three dimensional metamaterial that can motivate electromagnetic induced transparency (EIT) by using circular polarized wave as stimulations. The unit cell consists of a pair…

Classical Physics · Physics 2017-01-25 Hai Lin , Dong Yang , Song Han , Yangjie Liu , Helin Yang

We report experimental investigationd of optical pulse group velocity reduction and probe pulse regeneration using a Raman scheme. The new scheme which does not rely on the on-one-photon resonance electromagnetically induced transparency…

Quantum Physics · Physics 2009-11-07 M. Kozuma , D. Akasmatsu , L. Deng , E. W. Hagley , M. G. Payne

Entanglement between atoms and microwave photons in a superconducting coplanar waveguide~(SCW) can enable hybrid quantum devices and interface static and flying qubits. We study a one-step controlled-Z~(C$_{\text{Z}}$) gate between a…

Quantum Physics · Physics 2022-12-14 Xiao-Feng Shi

We propose a scheme of storing and releasing pulses or cw beams of light in a moving atomic medium illuminated by two stationary and spatially separated control lasers. The method is based on electromagnetically induced transparency (EIT)…

Quantum Physics · Physics 2009-11-07 G. Juzeliunas , M. Masalas , M. Fleischhauer

A tunable high resolution frequency reference is constructed using the narrowed cavity-linewidth by the optical pumping-assisted V-type electromagnetically induced transparency (EIT). At room temperature, the optical pumping effect will…

Optics · Physics 2014-03-31 Kang Ying , Yueping Niu , Dijun Chen , Haiwen Cai , Ronghui Qu , Shangqing Gong

We propose fast all-optical control of surface polaritons (SPs) by placing an electromagnetically induced transparency (EIT) medium at an interface between two materials. EIT provides longitudinal compression and a slow group velocity while…

Quantum Physics · Physics 2010-04-15 Ali Kamli , Sergey A. Moiseev , Barry C. Sanders

Recently a scheme has been proposed for detection of the structured light by measuring the transmission of a vortex beam through a cloud of cold rubidium atoms with energy levels of the $\Lambda$-type configuration {[}N. Radwell et al.,…

We demonstrate light-induced formation of coherence in a cold atomic gas system that utilizes the suppression of a competing density wave (DW) order. The condensed atoms are placed in an optical cavity and pumped by an external optical…

Quantum Gases · Physics 2018-12-05 Christoph Georges , Jayson G. Cosme , Ludwig Mathey , Andreas Hemmerich

Coupling quantum emitters and nanostructures, in particular cold atoms and waveguides, has recently raised a large interest due to unprecedented possibilities of engineering light-matter interactions. However, the implementation of these…

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 demonstrate cooling of the motion of a single atom confined by a dipole trap inside a high-finesse optical resonator. Cooling of the vibrational motion results from EIT-like interference in an atomic \Lambda-type configuration, where one…

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

Efficient frequency conversion of photons has important applications in optical quantum technology because the frequency range suitable for photon manipulation and communication usually varies widely. Recently, an efficient frequency…