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We investigate a hybrid optomechanical system comprised of a mechanical oscillator and an atomic 3-level ensemble within an optical cavity. We show that a suitably tailored cavity field response via Electromagnetically Induced Transparency…

Quantum Physics · Physics 2015-05-28 Claudiu Genes , Helmut Ritsch , Michael Drewsen , Aurélien Dantan

We study optomechanically induced transparency in a microresonator coupled with nanoparticles. By tuning the relative angle of the nanoparticles, exceptional points (EPs) emerge periodically in this system and thus strongly modify both the…

Quantum Physics · Physics 2018-07-19 Hao Lü , Changqing Wang , Lan Yang , Hui Jing

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

We propose a method based on the Electromagnetically Induced Transparency (EIT) phenomenon for the detection of molecules which exist as a small minority in the presence of a majority of absorbers. The EIT effect we employ effectively…

Quantum Physics · Physics 2012-01-04 Asaf Eliam , Evgeny A. Shapiro , Moshe Shapiro

Polarization-resolved near-infrared imaging adds a useful optical contrast mechanism to eye tracking by measuring the polarization state of light reflected by ocular tissues in addition to its intensity. In this paper we demonstrate how…

We investigate the optical properties of a two-level system (TLS) coupled to a linear series of $N$ other TLS's with dipole-dipole coupling between the first neighbours. The first TLS is probed by weak field and we assume that it has a…

Quantum Physics · Physics 2018-04-25 Emanuel C. Diniz , Halyne S. Borges , Celso J. Villas-Boas

A plasmonic "molecule" consisting of a radiative element coupled with a sub-radiant (dark) element is theoretically investigated. The plasmonic "molecule" shows close resemblance to the electromagnetically induced transparency (EIT) in an…

Optics · Physics 2008-01-11 Shuang Zhang , Dentcho A Genov , Yuan Wang , Ming Liu , Xiang Zhang

We present an experimental study of cavity assisted Rydberg atom electromagnetically induced transparency (EIT) using a high-finesse optical cavity ($F \sim 28000$). Rydberg atoms are excited via a two-photon transition in a ladder-type EIT…

Atomic Physics · Physics 2017-09-13 Jiteng Sheng , Yuanxi Chao , Santosh Kumar , Haoquan Fan , Jonathon Sedlacek , James P. Shaffer

We study the birefringence of the quantized polarized light in a magneto-optically manipulated atomic ensemble as a generalized Stern-Gerlach Effect of light. To explain this engineered birefringence microscopically, we derive an effective…

Quantum Physics · Physics 2009-11-13 Yu Guo , Lan Zhou , Le-Man Kuang , C. P. Sun

We investigate the role of polarization effects in orbital angular momentum modes of an optical fiber. Specifically, we revisit the removal of the degeneracy of the $HE$ and the $EH$ vector modes that exists within the weakly guiding…

Optics · Physics 2021-08-19 Ramesh Bhandari

The polarization of light is utilized in many technologies throughout science and engineering. The ability to transform one state of polarization to another is a key enabling technology. Common polarization transformers are simple…

The electromagnetically induced transparency (EIT) observations in two $\Lambda$-systems of $^{87}Rb$ atom, $|5^{2}S_{1/2} F=1\rangle \rightarrow |5^{2}P_{3/2} F'=1\rangle \leftarrow |5^{2}S_{1/2} F=2\rangle$ and $|5^{2}S_{1/2} F=1\rangle…

Atomic Physics · Physics 2018-09-26 Charu Mishra , A. Chakraborty , A. Srivastava , S. K. Tiwari , S. P. Ram , V. B. Tiwari , S. R. Mishra

In the regime of Rydberg electromagnetically induced transparency, we study the correlated behaviors between the transmission spectra of a pair of probe fields passing through respective parallel one-dimensional cold Rydberg ensembles. Due…

Quantum Physics · Physics 2024-11-13 Lei Huang , Peng-fei Wang , Han-xiao Zhang , Yu Zhu , Hong Yang , Dong Yan

We perform a quantum-theoretical treatment of cavity linewidth narrowing with intracavity electromagnetically induced transparency (EIT). By means of intracavity EIT, the photons in the cavity are in the form of cavity polaritons:…

Quantum Physics · Physics 2015-04-10 G. W. Lin , J. Yang , X. M. Lin , Y. P. Niu , S. Q. Gong

We prove that it is possible to freeze a light pulse (i.e., to bring it to a full stop) or even to make its group velocity negative in a coherently driven Doppler broadened atomic medium via electromagnetically induced transparency (EIT).…

Quantum Physics · Physics 2007-05-23 Olga Kocharovskaya , Yuri Rostovtsev , Marlan O. Scully

Correlation spectroscopy has been proposed as a spectroscopic technique for measuring the coherence between the ground states in electromagnetically induced transparency (EIT). While in time domain the steep dispersion in EIT condition…

Atomic Physics · Physics 2016-07-13 H. M. Florez , C. González , M. Martinelli

We theoretically study electromagnetically induced transparency (EIT) in reflection spectra of V-type system at the gas-solid interface. In addition to a narrow dip arising from the EIT effect, we find the other particular saturation effect…

Atomic Physics · Physics 2016-11-16 Tengfei Meng , Yanting Zhao , Zhonghua Ji , Dianqiang Su , Liantuan Xiao , Suotang Jia

The correlation spectroscopy has been successfully employed in the measurement of the intrinsic linewidth of electromagnetically induced transparency (EIT) in time and frequency domain. We study the role of the sidebands of the intense…

Quantum Physics · Physics 2016-07-13 H. M. Florez , A. Kumar , K. Theophilo , P. Nussenzveig , M. Martinelli

The electromagnetically induced transparency (EIT) phenomenon in a four level atomic system with tripod configuration is studied. The results show that this configuration is equivalent to the combination of two single three-level $\Lambda$…

Quantum Physics · Physics 2007-11-20 Xiao Li , Yu Liu , Hong Guo

In laser gravitational waves detectors optical loss restricts sensitivity. We discuss polarization scattering as one more possible mechanism of optical losses. Circulated inside interferometer light is polarized and after reflection its…

Instrumentation and Methods for Astrophysics · Physics 2020-02-20 Sergey P. Vyatchanin