English
Related papers

Related papers: Electromagnetically induced transparency and dark …

200 papers

We report the first observation of electromagnetically induced transparency (EIT) in an isotopically purified Nd$^{3+}$:YLiF$_4$ crystal. This crystal demonstrates inhomogeneous broadening of optical transitions of about 35 MHz. EIT is…

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

We report spectroscopy experiments of rubidium vapor in a high magnetic field under conditions of electromagnetically induced transparency (EIT) and optical pumping. The 1.1 T static magnetic field decouples nuclear and electronic spins and…

Quantum Physics · Physics 2023-12-29 Roberto Mottola , Gianni Buser , Philipp Treutlein

We study Rydberg electromagnetically induced transparency (EIT) of a cascade three-level atom involving 80$D_{5/2}$ state in a strong interaction regime employing a cesium ultracold cloud. In our experiment, a strong coupling laser couples…

Atomic Physics · Physics 2023-03-13 Yuechun Jiao , Liping Hao , Jingxu Bai , Jiabei Fan , Zhengyang Bai , Weibin Li , Jianming Zhao , Suotang Jia

We study, theoretically and experimentally, electromagnetically induced transparency (EIT) in two different solid-state systems. Unlike many implementations in homogeneously broadened media, these systems exhibit inhomogeneous broadening of…

Stable transport of laser beams in highly over-dense plasmas is of significance in fast ignition of inertial confinement fusion, relativistic electrons generation, and powerful electromagnetic emission, but hard to realize. Early in 1996,…

Plasma Physics · Physics 2024-04-19 Tie-Huai Zhang , Wei-Min Wang , Yu-Tong Li , Jie Zhang

Recent years have seen vast progress in the generation and detection of structured light, with potential applications in high capacity optical data storage and continuous variable quantum technologies. Here we measure the transmission of…

We report a detailed investigation on the properties of correlation spectra for cold atoms under the condition of Electromagnetically Induced Transparency (EIT). We describe the transition in the system from correlation to anti-correlation…

We propose a sub-Doppler laser cooling mechanism that takes advantage of the unique spectral features and extreme dispersion generated by the phenomenon of electromagnetically induced transparency (EIT). EIT is a destructive quantum…

Atomic Physics · Physics 2018-07-04 Peiru He , Phoebe M. Tengdin , Dana Z. Anderson , Ana Maria Rey , Murray Holland

Electromagnetically induced transparency (EIT) resonances using the $5\rm{S}_{1/2}\rightarrow5\rm{P}_{3/2}\rightarrow5\rm{D}_{5/2}$ ladder-system in optically thick Rb atomic vapour are studied. We observe a strong line narrowing effect and…

Atomic Physics · Physics 2014-07-10 James Keaveney , Armen Sargsyan , David Sarkisyan , Aram Papoyan , Charles S. Adams

We demonstrate ladder-type electromagnetically induced transparency (EIT) using an optical nanofiber suspended in a warm rubidium vapor. The signal and control fields are both guided along the nanofiber, which enables strong nonlinear…

Quantum Physics · Physics 2015-10-06 D. E. Jones , J. D. Franson , T. B. Pittman

We discuss the Electromagnetically Induced Transparency (EIT) in lambda, cascade and vee type three-level systems where the Hamiltonian and the Lindblad term of each configuration are expressed in the $SU(3)$ representation. At steady…

Quantum Physics · Physics 2016-12-28 Surajit Sen , Tushar Kanti Dey , Mihir Ranjan Nath , Gautam Gangopadhyay

A nondegenerate four-level N-type scheme was experimentally implemented to observe electromagnetically induced transparency (EIT) at the $^{87}$Rb D$_{2}$ line. Radiations of two independent external-cavity semiconductor lasers were used in…

Quantum Physics · Physics 2009-11-06 V. M. Entin , I. I. Ryabtsev , A. E. BoguslavskiI , I. M. Beterov

People have been paying attention to the role of atoms' complex internal level structures in the research of electromagnetically induced transparency (EIT) for a long time, where the various degenerate Zeeman levels usually generate complex…

Atomic Physics · Physics 2018-02-21 Yuan Sun , Chang Liu , Ping-Xing Chen , Liang Liu

We have demonstrated the laser frequency offset locking via the Rb tripod-type double dark resonances electromagnetically induced transparency (EIT) system. The influence of coupling fields power and detuning on the tripod-type EIT profile…

Optics · Physics 2015-06-19 Kang Ying , Yueping Niu , Dijun Chen , Haiwen Cai , Ronghui Qu , Shangqing Gong

A model is suggested to explain the frequently observed presence of intense, narrow-band, H(alpha) emission lines in the optical spectra of reddened, early-type stars (e.g. HD 44179, IRAS 18179-1346, IRAS 20298+4011). It is proposed that…

Astrophysics · Physics 2007-05-23 P. P. Sorokin , J. H. Glownia

Ultrathin optical fibres integrated into cold atom setups are proving to be ideal building blocks for atom-photon hybrid quantum networks. Such optical nanofibres (ONF) can be used for the demonstration of nonlinear optics and quantum…

Atomic Physics · Physics 2015-12-11 Ravi Kumar , Vandna Gokhroo , Síle Nic Chormaic

We present combined measurements of the spatially-resolved optical spectrum and the total excited-atom number in an ultracold gas of three-level atoms under electromagnetically induced transparency conditions involving high-lying Rydberg…

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

Coherent interaction of laser radiation with multilevel atoms and molecules can lead to quantum interference in the electronic excitation pathways. A prominent example observed in atomic three-level-systems is the phenomenon of…

Quantum Physics · Physics 2011-07-19 S. Weis , R. Riviere , S. Deleglise , E. Gavartin , O. Arcizet , A. Schliesser , T. J. Kippenberg