Rydberg dressing evolution via Rabi frequency control in thermal atomic vapors

2014 ◽  
Vol 16 (35) ◽  
pp. 18840-18847 ◽  
Author(s):  
Junling Che ◽  
Huaibin Zheng ◽  
Zhaoyang Zhang ◽  
Xin Yao ◽  
Cheng Li ◽  
...  
Keyword(s):  
Experimental Research ◽  
Rabi Frequency ◽  
Electromagnetically Induced Transparency ◽  
Frequency Control ◽  
Second Order ◽  
Atomic Vapors ◽  
Induced Transparency ◽  
First Time

We report for the first time the theoretical and experimental research on Rydberg electromagnetically induced transparency and second-order fluorescence dressing evolution by Rabi frequency control in thermal atomic vapors, in which the controlled results are well explained by the dressing effect and the Rydberg excitation blockade.

A narrow window of Rabi frequency for competition between electromagnetically induced transparency and Raman absorption

2009 ◽  
Vol 27 (1) ◽  
pp. 85 ◽  
Author(s):  
Ray-Yuan Chang ◽  
Yi-Chi Lee ◽  
Wei-Chia Fang ◽  
Ming-Tsung Lee ◽  
Zong-Syun He ◽  
...  
Keyword(s):  
Rabi Frequency ◽  
Electromagnetically Induced Transparency ◽  
Induced Transparency

Plasmonic electromagnetically-induced transparency in metamaterial based on second-order plasmonic resonance

2011 ◽  
Vol 284 (19) ◽  
pp. 4766-4768 ◽  
Author(s):  
Xing-Ri Jin ◽  
Yuehui Lu ◽  
Haiyu Zheng ◽  
YoungPak Lee ◽  
Joo Yull Rhee ◽  
...  
Keyword(s):  
Electromagnetically Induced Transparency ◽  
Second Order ◽  
Plasmonic Resonance ◽  
Induced Transparency

Experimental Verification of Circuit Analog of Three- and Four-Level Electromagnetically Induced Transparency

2011 ◽  
Vol 415-417 ◽  
pp. 1340-1349 ◽  
Author(s):  
Xi Chen ◽  
Xia Min Leng ◽  
Jing Xin Li ◽  
Yi Tsen Yeh ◽  
Teh Chau Liau ◽  
...  
Keyword(s):  
Quantum Interference ◽  
Electromagnetically Induced Transparency ◽  
External Control ◽  
Atomic Systems ◽  
Classical Counterpart ◽  
Atomic Vapors ◽  
Capacitor Coupling ◽  
Atom Interaction ◽  
And Control ◽  
Induced Transparency

Since a two-level resonant atomic system can be simulated by a simple circuit, three- and four-level electromagnetically induced transparency (EIT) that occur due to light-atom interaction can find its classical counterpart in circuit analog. As the optical response of an EIT atomic medium (including atomic vapors and semiconductor-quantum-dot dielectrics) can be controlled via tunable quantum interference induced by applied external control fields, in the scheme of circuit analog, such a controllable manipulation is achieved via capacitor coupling, where two loops are coupled by a capacitor that can represent the applied control fields in atomic EIT. Both numerical simulation and experimental demonstration of three- and four-level EIT were performed based on such a scenario of circuit analog. The classical “coherence” relevant to quantum interference among transitions pathways driven by both probe and control fields in EIT atomic systems has been manifested in the present circuit analog of EIT.

Investigating the direct coupling between plasmonic cavities in the case of the second-order resonant mode

2014 ◽  
Vol 28 (27) ◽  
pp. 1450217
Author(s):  
Zhihui He ◽  
Hongjian Li ◽  
Shiping Zhan ◽  
Guangtao Cao ◽  
Boxun Li
Keyword(s):  
Coupling Strength ◽  
Slow Light ◽  
Electromagnetically Induced Transparency ◽  
Resonant Mode ◽  
Second Order ◽  
Direct Coupling ◽  
Dark Mode ◽  
High Order Resonance ◽  
Light Effects ◽  
Induced Transparency

In this paper, we present a metal-dielectric-metal (MDM) waveguide side-coupled with bright-dark-bright mode cavities and double bright-dark mode cavities. The former shows a prominent plasmonic analogue of electromagnetically induced transparency (EIT) spectra response, the latter shows double plasmonic analogue of EIT spectra response. The direct coupling strength between bright and dark mode resonators in the case of the second-order resonant mode is investigated in detail in our researches. The transmission spectrum and the slow light effects as a function of the cavity–cavity separation between resonators are further studied. Our researches investigate the coupling strength effects on the transmission and scattering properties in the case of the high-order resonance mode, which may provide a guideline for the control of light in highly integrated optical circuits.

scholarly journals Electromagnetically Induced Transparency in the Five-level Scheme of Cold \(^{85}\)Rb Atomic Vapour

2013 ◽  
Vol 23 (2) ◽  
pp. 163
Author(s):  
Bui Thi Hong Hai ◽  
Le Van Doai ◽  
Doan Hoai Son ◽  
Dinh Xuan Khoa ◽  
Nguyen Huy Bang ◽  
...  
Keyword(s):  
Analytical Approach ◽  
Electromagnetically Induced Transparency ◽  
Weak Field ◽  
Semiclassical Theory ◽  
Field Limit ◽  
Probe Light ◽  
Weak Field Limit ◽  
Induced Transparency ◽  
First Time ◽  
Theoretical Results

In the framework of the semiclassical theory, we develop an analytical approach on electromagnetically induced transparency (EIT) in the medium consists of five-level cascade scheme of cold 85Rb atoms. In the weak field limit of the probe light, an analytical representation of EIT spectra is derived for the first time. Signatures of EIT spectra, including transparency efficiency, have been investigated. We see a tremendous agreement between our theoretical results and experimental observations.

scholarly journals Tunable Fano resonances in a robust quasicylindrical microresonator photonic system

2018 ◽  
Vol 189 ◽  
pp. 11009
Author(s):  
Xueying Jin ◽  
Mengyu Wang ◽  
Yongchao Dong ◽  
Liming Chen ◽  
Fei Li ◽  
...  
Keyword(s):  
Optical Switching ◽  
Electromagnetically Induced Transparency ◽  
High Sensitivity ◽  
Selective Excitation ◽  
Fano Resonances ◽  
All Optical ◽  
Induced Transparency ◽  
First Time ◽  
And Storage ◽  
All Optical Switching

The control of Fano resonances is of critical importance to opto-electronic and all-optical switching devices, light delay and storage, high sensitivity sensors, and quantum information processors. In this paper, we experimentally and theoretically demonstrate that controllable electromagnetically induced transparency (EIT)-like and Fano resonances can be achieved in a single quasi-cylindrical microresonator (QCMR). Robust and selective excitation of localized axial modes in a high quality QCMR is firstly demonstrated. Based on this stable platform, EIT-like lineshapes can be tuned and converted into Fano resonances by vertically moving the resonator. Moreover, by horizontally scanning the resonator, the transmission spectrum exhibits periodically changed Fano-like lineshapes. It is reported for the first time that the above two kinds of Fano resonances originated from different mechanisms can work on the same mode simultaneously. Our approach, demonstrated in this work, provides a robust photonic platform for accessing, controlling, and engineering the Fano resonances.

scholarly journals Nonlinearity of Microwave Electric Field Coupled Rydberg Electromagnetically Induced Transparency and Autler-Townes Splitting

2019 ◽  
Vol 9 (8) ◽  
pp. 1720 ◽  
Author(s):  
Liping Hao ◽  
Yongmei Xue ◽  
Jiabei Fan ◽  
Yuechun Jiao ◽  
Jianming Zhao ◽  
...  
Keyword(s):  
Rabi Frequency ◽  
Room Temperature ◽  
Microwave Field ◽  
Electromagnetically Induced Transparency ◽  
Field Measurements ◽  
Coupling Laser ◽  
Field Coupling ◽  
Small Probe ◽  
Level Atom ◽  
Induced Transparency

An electromagnetically induced transparency (EIT) of a cascade-three-level atom involving Rydberg level in a room-temperature cell, formed with a cesium 6 S 1 / 2 -6 P 3 / 2 -66 S 1 / 2 scheme, is employed to detect the Autler-Townes (AT) splitting resulted with a 15.21-GHz microwave field coupling the 66 S 1 / 2 →65 P 1 / 2 transition. Microwave field induced AT splitting, f A T , is characterized by the distance of peak-to-peak of an EIT-AT spectrum. The f A T dependence on the microwave Rabi frequency, Ω M W , demonstrates two regions, the strong-coupling linear region, f A T ≈ Ω M W and the weak-coupling nonlinear region, f A T ≲ Ω M W . The f A T dependencies on the probe and coupling Rabi frequency are also investigated. Using small probe- and coupling-laser, the Rabi frequency is found to enlarge the linear regime and decrease the uncertainty of the microwave field measurements. The measurements agree with the calculations based on a four-level atomic model.

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