English
Related papers

Related papers: Coherent population trapping (CPT) versus electrom…

200 papers

We observed electromagnetically induced transparency (EIT) and dark fluorescence in a cascade three-level diatomic Lithium system using Optical-Optical Double Resonance (OODR) spectroscopy. When a strong coupling laser couples the…

Quantum Physics · Physics 2009-11-11 Jianbing Qi , A. Marjatta Lyyra

Entanglement preservation in noisy quantum memories represents a long-standing conceptual challenge in quantum information science. While experiments have shown that electromagnetically induced transparency (EIT) memories can store…

Quantum Physics · Physics 2025-11-03 Po-Han Tseng , Yong-Fan Chen

We experimentally demonstrate coherent amplification of probe field in a tripod-type atoms driven by strong coupling, signal and weak probe fields. We suppress linear and nonlinear atomic absorptions for resonant and near resonant probe via…

Following the recent theoretical predictions given in a paper [PRA 88, 013810 (2013)], we reported on an experimental realization of an image cloning beyond usual diffraction through coherent population trapping (CPT) effect in a hot…

Quantum Physics · Physics 2023-07-19 Dong-Sheng Ding , Zhi-Yuan Zhou , Bao-Sen Shi

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 this article we have shown that the atomic states can be engineered by tunning the coupling Rabi frequency for a system with $\mathcal{N}$-type configuration. Electromagnetically induced transparency (EIT), Electromagnetically induced…

We demonstrate electromagnetically induced transparency (EIT) in a four-level cascade-like system, where the two upper levels are Rydberg states coupled by a microwave field. A two-photon transition consisting of an off-resonant microwave…

Atomic Physics · Physics 2018-05-09 Thibault Vogt , Christian Gross , Thomas F. Gallagher , Wenhui Li

General formulae for the transient evolution of the susceptibility (absorption) induced by the quantum interference effect in a four-level N-type EIT medium is presented. The influence of the signal light on the transient susceptibility for…

Quantum Physics · Physics 2009-11-10 Jian-Qi Shen , Zhi-Chao Ruan , Sailing He

The performance of direct-drive inertial confinement fusion implosions relies critically on the coupling of laser energy to the target plasma. Cross-beam energy transfer (CBET), the resonant exchange of energy between intersecting laser…

We demonstrate electromagnetically induced transparency (EIT) in a four-level cascade system where the upper level is a Rydberg state. The observed spectral features are sub-Doppler and can be enhanced due to the compensation of Doppler…

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…

Electromagnetically induced transparency (EIT) is a promising technology for the enhancement of light-matter interactions, and recent demonstrations of the quantum EIT realized in artificial micro-structured medium have remarkably reduced…

Optics · Physics 2016-05-10 Yuancheng Fan , Tong Qiao , Fuli Zhang , Quanhong Fu , Jiajia Dong , Botao Kong

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

The Doppler effect of moving atoms can create irreversibility of light. We show that the laser field in electromagnetic induced transparency (EIT) scheme with atomic motion can control the directional propagation of two counter-propagating…

Quantum Physics · Physics 2008-07-23 C. H. Raymond Ooi

We study a hybrid nano-mechanical system coupled to a spin ensemble as a quantum simulator to favor a quantum interference effect, the electromagnetically induced transparency (EIT). This system consists of two nano-mechanical resonators…

Quantum Physics · Physics 2015-05-27 Yue Chang , C. P. Sun

We investigate a dual-channel arrangement for electromagnetically-induced transparency in a vacuum Rb vapor cell, and report the observation of a transient spectral feature due to the atoms traversing both beams while preserving their…

Atomic Physics · Physics 2019-03-27 Ravn M. Jenkins , Eugeniy E. Mikhailov , Irina Novikova

We investigate the transient optical response property of an electromagnetically induced transparency (EIT) in a cold Rydberg atomic gas. We show that both the transient behavior and the steady-state EIT spectrum of the system depend…

Atomic Physics · Physics 2018-05-09 Qi Zhang , Zhengyang Bai , Guoxiang Huang

We study procedures for the optimization of efficiency of light storage and retrieval based on the dynamic form of electromagnetically induced transparency (EIT) in warm Rb vapor. We present a detailed analysis of two recently demonstrated…

Quantum Physics · Physics 2009-11-13 Nathaniel B. Phillips , Alexey V. Gorshkov , Irina Novikova

Deterministic emitters transform electronic excitations to photons with unity efficiency. Their development is crucial for both energy-efficient optical interconnects and photonic quantum technologies, but neither rigorous theoretical…

Quantum Physics · Physics 2025-04-28 Sergei Lepeshov , Søren Stobbe

We demonstrate an all-optical Raman spin echo technique, using Electromagnetically Induced Transparency (EIT) to create the different pulses of the spin echo sequence: initialization, pi-rotation, and readout. The first pulse of the…

Quantum Physics · Physics 2016-09-21 Andreas Walther , Adam N. Nilsson , Qian Li , Lars Rippe , Stefan Kröll
‹ Prev 1 8 9 10 Next ›