English
Related papers

Related papers: Statistical Properties of Fano Resonances in Atomi…

200 papers

We demonstrate that high transmission through sharp bends in photonic crystal waveguides can be described by a simple model of the Fano resonance where the waveguide bend plays a role of a specific localized defect. We derive effective…

Materials Science · Physics 2009-11-11 Andrey E. Miroshnichenko , Yuri S. Kivshar

The line shape of resonances in the overlapping regime is studied by using the eigenvalues and eigenfunctions of the effective Hamiltonian of an open quantum system. A generalized expression $\tilde q_k(E)$ for the Fano parameter of the…

Quantum Physics · Physics 2009-11-10 A. I. Magunov , I. Rotter , S. I. Strakhova

In this letter, we report a method of symmetry-breaking in an artificial Mie-based metamolecule. A Fano resonance with a Q factor of 96 is observed at microwave frequencies in a structure combining a split ring resonator (SRR) and a…

Materials Science · Physics 2017-08-02 Xiaobo Wang , Ji Zhou

Amplitude and phase of wavepackets encode the dynamics of quantum systems. However, the rapidity of electron dynamics on the attosecond timescale has precluded their complete measurement in the time domain. Here, we demonstrate that…

We perform spectroscopy on the hyperfine splitting of $^{85}$Rb atoms trapped in far-off-resonance optical traps. The existence of a spatially dependent shift in the energy levels is shown to induce an inherent dephasing effect, which…

Atomic Physics · Physics 2016-08-16 A. Kaplan , M. F. Andersen , T. Grünzweig , N. Davidson

By means of infrared spectroscopy we determine the temperature-doping phase diagram of the Fano effect for the in-plane Fe-As stretching mode in Ba$_{1-x}$K$_{x}$Fe$_{2}$As$_{2}$. The Fano parameter $1/q^2$, which is a measure of the phonon…

Resonance fluorescence from atomic systems consists of a single spectral peak that evolves into a Mollow triplet for a strong excitation field. Photons from different peaks of the triplet show distinct photon correlation that make the…

Quantum Physics · Physics 2022-12-29 Boon Long Ng , Chang Hoong Chow , Christian Kurtsiefer

Through a combination of experiment and theory we establish the possibility of achieving strong tuning of Fano resonances (FRs), by allowing their usual two-path geometry to interfere with an additional, 'intruder', continuum. As the…

Mesoscale and Nanoscale Physics · Physics 2014-03-12 J. Fransson , M. -G. Kang , Y. Yoon , S. Xiao , Y. Ochiai , J. L. Reno , N. Aoki , J. P. Bird

We theoretically study the resonant tunneling and Fano resonance in quantum dots with electron-phonon (e-ph) interaction. We examine the bias-voltage ($V$) dependence of the decoherence, using Keldysh Green function method and perturbation…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Akiko Ueda , Mikio Eto

Modern x-ray light sources promise access to structure and dynamics of matter in largely unexplored spectral regions. However, the desired information is encoded in the light intensity and phase, whereas detectors register only the…

Quantum Physics · Physics 2015-06-10 K. P. Heeg , C. Ott , D. Schumacher , H. -C. Wille , R. Röhlsberger , T. Pfeifer , J. Evers

A theoretical study of linear wave scattering by time-periodic spatially localized excitations (discrete breathers (DB)) is presented. We obtain that the wave propagation is strongly influenced by a local coupling between an open and closed…

Soft Condensed Matter · Physics 2009-11-07 S. Flach , A. E. Miroshnichenko , V. Fleurov , M. V. Fistul

Atomic population transfer in an inhomogeneously broadened optical medium is analyzed for on-demand photon storage-time control in both atomic frequency comb (AFC) and phase locked echoes. In AFC the photon storage mechanism belongs to the…

Quantum Physics · Physics 2010-04-08 Byoung S. Ham

We study the excitation dynamics of Fano resonance within the classical model framework of two linear coupled oscillators. An exact solution for the model with a damped harmonic force is obtained. The details of growth a Fano profile under…

Optics · Physics 2018-03-23 P. A. Golovinski , A. V. Yakovets , E. S. Khramov

We studied the transmission characteristics of a planar metamaterial consisting of an array of electric split-ring resonators (eSRRs) with double periodicity. Because of coupling between different resonant modes induced by different lattice…

A Fano-like phonon resonance is observed in few-layer (~3) graphene at room temperature using infrared Fourier transform spectroscopy. This Fano resonance is the manifestation of a strong electron-phonon interaction between the discrete…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Zhihong Liu , Xiaoxiang Lu , Peng Peng , Wei Wu , Steven Pei , Qingkai Yu , Jiming Bao

Fano lineshapes in resonant transmission in a quantum dot imply interference between localized and extended states. The influence of the charge accumulated at the localized levels, which screens the external gate voltage acting on the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Piotr Stefanski , Arturo Tagliacozzo , Bogdan R. Bulka

Rapidly developing photonics brings many interesting resonant optical phenomena, in which the Fano resonance (FR) always intrigues researchers because of its applications in optical switching and sensing. However, its sensitive dependence…

Optics · Physics 2021-07-13 Chang-Yin Ji , Yongyou Zhang , Bingsuo Zou , Yugui Yao

We calculate the phonon density of states (DOS) for strongly amorphous materials with a short-ranged interatomic potential. Exponentially decaying and abruptly truncated interatomic potentials are examined. Thermally excited mean square…

Materials Science · Physics 2015-03-13 D. J. Priour

We show that Fano interference explains how point contact spectroscopy in heavy electron materials probes the emergence of the Kondo heavy electron liquid below the same characteristic temperature T* as that seen in many other experiments,…

Strongly Correlated Electrons · Physics 2009-06-23 Yi-feng Yang

Superresolution, extraordinary transmission, total absorption, and localization of electromagnetic waves are currently attracting growing attention. These phenomena are related to different physical objects and are usually studied within…

‹ Prev 1 8 9 10 Next ›