English
Related papers

Related papers: Fano-like resonance due to interference with dista…

200 papers

Stochastic perturbation of two-level atoms strongly driven by a coherent light field is analyzed by the quantum trajectory method. A new method is developed for calculating the resonance fluorescence spectra from numerical simulations. It…

Quantum Physics · Physics 2009-11-07 A. Karpati , P. Adam , W. Gawlik , B. Lobodzinski , J. Janszky

We show the existence of Fano resonances in the context of near-field radiative heat transfer, which enable the strong suppression and enhancement of the spectral heat flux at specific wavelengths. This is demonstrated by making use of the…

Mesoscale and Nanoscale Physics · Physics 2017-11-22 Jaime E Perez Rodriguez , Giuseppe Pirruccio , Raul Esquivel-Sirvent

The frequency dependence of the equilibrium ac conductance (or the noise power spectrum) through a mesoscopic structure is shown to exhibit steps and dips. The steps, at energies related to the resonances of the structure, are closely…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 O. Entin-Wohlman , Y. Imry , S. A. Gurvitz , A. Aharony

The study of nanostructured artificial media for optics has expanded rapidly over the last few decades, coupled with improvements of fabrication technology that have enabled investigation of previously unrealisable optical scattering…

Optics · Physics 2017-09-27 Ben Hopkins

The interaction between light and vapors in the presence of magnetic fields is fundamental to many quantum technologies and applications. Recently, the ability to geometrically confine atoms into periodic structures has enabled the creation…

Applied Physics · Physics 2025-05-20 Ori Nefesh , Heleni Krelman , Kfir Levi , Liron Stern

Field localization boosts nonlinear optical processes at the hot spots of metal nanostructures. Fano resonances can further enhance these "local" processes taking place at the hot spots. However, in conventional nonlinear materials, the…

We study quantum dissipative effects that result from the non-relativistic motion of an atom, coupled to a quantum real scalar field, in the presence of a static imperfect mirror. Our study consists of two parts: in the first, we consider…

Quantum Physics · Physics 2019-09-04 M. Belen Farias , C. D. Fosco , Fernando C. Lombardo , Francisco D. Mazzitelli

We show an intriguing connection between the coherence of spectral domain interference of two electromagnetic modes in Fano resonance and the resulting degree of polarization of light. A theoretical treatment is developed by combining a…

Control of nonlinear response of nanostructures via path interference effects, i.e. Fano resonances, has been studied extensively. In such materials, a frequency conversion process which takes place near a hot spot has been considered.…

Optics · Physics 2020-03-24 Zafer Artvin , Mehmet Emre Tasgin , Alpan Bek , Mehmet Gunay

In systems of ultracold atoms, pairwise interactions are resonantly enhanced by the application of an oscillating magnetic field that is parallel to the spin-quantization axis of the atoms. The resonance occurs when the frequency of the…

Quantum Gases · Physics 2016-11-17 D. Hudson Smith

Resonance transitions between the Zeeman sublevels of optically-polarized Rb atoms traveling through a spatially periodic magnetic field are investigated in a radio-frequency (rf) range of sub-MHz. The atomic motion induces the resonance…

Atomic Physics · Physics 2008-10-21 Atsushi Hatakeyama

Surface enhanced Raman spectra from molecules (bipyridyl ethylene) adsorbed on gold dumbells are observed to become increasingly asymmetric (Fano-like) at higher incident light intensity. The electronic temperature (inferred from the…

Mesoscale and Nanoscale Physics · Physics 2016-01-12 S. Dey , M. Banik , E. Hulkko , K. Rodriguez , V. A. Apkarian , M. Galperin , A. Nitzan

Enhanced nonlinear optical response of a coherent atomic medium is the basis for many atomic sensors, and their performance is ultimately limited by the quantum fluctuations of the optical read-out. Here we demonstrate that off-resonant…

Quantum Physics · Physics 2015-05-27 Irina Novikova , Eugeniy E. Mikhailov , Yanhong Xiao

In this work, we observe a novel resonant mechanism, namely the modulation-induced Feshbach resonance. By applying a far-detuned laser to the cesium D2 transition with intensity modulation, we periodically shake the energy levels of atomic…

Quantum Physics · Physics 2025-12-30 Tongkang Wang , Yuqi Liu , Jundong Wang , Youjia Huang , Wenlan Chen , Zhendong Zhang , Jiazhong Hu

New, fundamental resonant properties of laser resonators are theoretically predicted and experimentally demonstrated. These resonances occur either in the time dependence of the beam width and that of beam radius of curvature of the…

Optics · Physics 2015-06-05 A. Kohazi-Kis , J. Klebniczki , M. Gorbe , P. Nagy

Compared to purely atomic collisions, ultracold collisions involving molecules have the potential to support a much larger number of Fano-Feshbach resonances due to the huge amount of ro-vibrational states available. In order to handle such…

Atomic Physics · Physics 2015-06-04 Michael Mayle , Brandon P. Ruzic , John L. Bohn

We demonstrate that the present superaccurate measurements of transition processes between atomic states in hydrogen atom reached the limit of accuracy when transition frequency cannot be defined anymore in a unique way. This was predicted…

Atomic Physics · Physics 2020-06-24 D. Solovyev , A. Anikin , T. Zalialiutdinov , L. Labzowsky

We utilize the generation of large atomic coherence to enhance the resonant nonlinear magneto-optic effect by several orders of magnitude, thereby eliminating power broadening and improving the fundamental signal-to-noise ratio. A…

Semiconductor lasers in use today rely on mirrors based on the reflection at a cleaved facet or Bragg reflection from a periodic stack of layers. Here, we demonstrate an ultra-small laser with a mirror based on the Fano resonance between a…

Optics · Physics 2017-05-23 Yi Yu , Weiqi Xue , Elizaveta Semenova , Kresten Yvind , Jesper Mork

A detailed analytical inspection of light scattering by a particle with high refractive index m+i\kappa and small dissipative constant \kappa is presented. We have shown that there is a dramatic difference in the behavior of the…

Optics · Physics 2016-06-08 M. I. Tribelsky , A. E. Miroshnichenko
‹ Prev 1 8 9 10 Next ›