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We demonstrate a memory for light based on optomechanically induced transparency. We achieve a long storage time by leveraging the ultra-low dissipation of a soft-clamped mechanical membrane resonator, which oscillates at MHz frequencies.…

Quantum Physics · Physics 2023-08-11 Mads Bjerregaard Kristensen , Nenad Kralj , Eric Langman , Albert Schliesser

A plasmonic nanoantenna probed by a plane-polarized optical field in a medium with no gain materials can show zero absorption or even amplification, while exhibiting maximal polarizability. This occurs through coupling to an adjacent…

Optics · Physics 2019-08-28 Ali Panahpour , Abolfazl Mahmoodpoor , Andrei V. Lavrinenko

We have developed a fully quantized model for EIT in which the decay rates are taken into account. In this model, the general form of the susceptibility and group velocity of the probe laser we obtained are operators. Their expectation…

Quantum Physics · Physics 2007-05-23 Xiong-Jun Liu , Mo-lin Ge

We present a Maxwell-Bloch description of the dynamics of a light pulse propagating through a spatially inhomogeneous system consisting of alternating layers of EIT media and vacuum. We study the effect of a dynamical modulation of the EIT…

Quantum Physics · Physics 2013-05-29 Francesco Bariani , Iacopo Carusotto

We study the optical properties associated to both the polariton gap and the Bragg gap in periodic resonator-waveguide coupled system, based on the temporal coupled mode theory and the transfer matrix method. By the complex band and the…

Optics · Physics 2015-12-09 Z. Z. Liu , Q. Zhang , J. J. Xiao

A novel mechanism to realize dynamically tunable electromagnetically induced transparency (EIT) analogue in the terahertz (THz) regime is proposed. By putting the electrically controllable monolayer graphene under the dark resonator, the…

Optics · Physics 2017-12-18 Tingting Liu

We study the propagation of a weak probe field through an optomechanical system in which $N$ nearly degenerate mechanical membranes are inside a Febry-Perot cavity, and couple dispersively to an intracavity field. We derive a general…

Quantum Physics · Physics 2014-03-07 Sumei Huang , Mankei Tsang

We examine in detail an alternative method of retrieving the information written into an atomic ensemble of three-level atoms using electromagnetically induced transparency. We find that the behavior of the retrieved pulse is strongly…

Quantum Physics · Physics 2009-11-10 Amy Peng , Mattias Johnsson , Joseph J. Hope

We consider the dynamical behavior of a nanomechanical mirror in a high-quality cavity under the action of a coupling laser and a probe laser. We demonstrate the existence of the analog of electromagnetically induced transparency (EIT) in…

Quantum Physics · Physics 2015-05-14 G. S. Agarwal , Sumei Huang

In the paper we consider a new approach for storage and cloning of quantum information by three level atomic (molecular) systems in the presence of the electromagnetically induced transparency (EIT) effect. For that, the various schemes of…

Quantum Physics · Physics 2007-05-23 A. P. Alodjants , S. M. Arakelian

Future optical quantum technologies, such as quantum networks, distributed quantum computing and sensing, demand efficient, broadband quantum memories. However, achieving high efficiency without introducing noise, reducing bandwidth, or…

We report on our experimental work concerning a planar metamaterial exhibiting classical electromagnetically induced transparency (EIT). Using a structure with two mirrored split-ring resonators as the dark element and a cut wire as the…

Materials Science · Physics 2010-12-14 Lei Zhang , Philippe Tassin , Thomas Koschny , Cihan Kurter , Steven M. Anlage , C. M. Soukoulis

We demonstrate a velocity selection scheme that mitigates suppression of electromagnetically induced transparency (EIT) by Doppler shifts for low--high EIT probe--coupling wavelength ordering. An optical pumping beam counter-propagating…

Atomic Physics · Physics 2016-01-13 Wenchao Xu , Brian DeMarco

We introduce and demonstrate double-bright electromagnetically induced transparency (D-EIT) cooling as a novel approach to EIT cooling. By involving an additional ground state, two bright states can be shifted individually into resonance…

We experimentally demonstrate electromagnetically induced transparency and light storage with ultracold 87Rb atoms in a Mott insulating state in a three dimensional optical lattice. We have observed light storage times of about 240 ms, to…

Quantum Physics · Physics 2010-06-21 U. Schnorrberger , J. D. Thompson , S. Trotzky , R. Pugatch , N. Davidson , S. Kuhr , I. Bloch

We discuss the differences between two well-studied and related phenomena---coherent population trapping (CPT) and electromagnetically induced transparency (EIT). Many differences between the two---such as the effect of power in the beams,…

The slowdown of optical pulses due to quantum-coherence effects is investigated theoretically for an "active material" consisting of InGaAs-based double quantum-dot molecules. These are designed to exhibit a long lived coherence between two…

Mesoscale and Nanoscale Physics · Physics 2014-04-11 Stephan Michael , Weng W. Chow , Hans Christian Schneider

We show two channel electromagnetically induced transparency (EIT) spectra at various optical power. The two channels are coupling field and probe field absorption. It is shown that EIT width and intensity increases linearly with pump…

Optics · Physics 2007-11-15 S. M. Iftiquar

We study the effect of a control beam on a Lambda electromagnetically induced transparency (EIT) system in 87Rb. The control beam couples one ground state to another excited state forming a four level N-system. Phase coherent beams to drive…

Quantum Physics · Physics 2009-11-13 M. G. Bason , A. K. Mohapatra , K. J. Weatherill , C. S. Adams

We present mirror and beamsplitter pulse designs that improve the fidelity of atom interferometry and increase its tolerance of systematic inhomogeneities. These designs are demonstrated experimentally with a cold thermal sample of…

Quantum Physics · Physics 2019-12-11 Jack Saywell , Max Carey , Mohammad Belal , Ilya Kuprov , Tim Freegarde