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Three different periodic optical metasurfaces exhibiting Fano resonances are studied in mid-IR frequency range in the presence of a substrate. We develop a rigorous semi-analytical technique and calculate how the presence of a substrate…

Optics · Physics 2012-04-16 S. Hossein Mousavi , Alexander B. Khanikaev , Gennady Shvets

Symmetric Lorentzian and asymmetric Fano line shapes are fundamental spectroscopic signatures that quantify the structural and dynamical properties of nuclei, atoms, molecules, and solids. This study introduces a universal temporal-phase…

We study a Fano-mirror optomechanical system in the quantum nonlinear regime. In this system, two strongly lossy optical modes hybridize through both coherent and dissipative couplings to form an effective optical mode with a drastically…

Quantum Physics · Physics 2026-05-12 Lei Du , Juliette Monsel , Witlef Wieczorek , Janine Splettstoesser

Observation of the Fano line shapes is essential to understand properties of the Fano resonance in different physical systems. We explore a tunable Fano resonance by tuning the phase shift in a Mach-Zehnder interferometer (MZI) based on a…

Optics · Physics 2014-07-24 Jian-Qi Zhang , Yi Xu , Keyu Xia , Zhi-Ping Dai , Wen Yang , Shangqing Gong , Mang Feng

In a photoionization spectrum in which there is no excitation of the discrete states, but only the underlying continuum, we have observed resonances which appear as symmetric peaks, not the commonly expected window resonances. Furthermore,…

Condensed Matter · Physics 2009-11-10 U. Eichmann , T. F. Gallagher , R. M. Konik

Mismatched junctions formed by two C$_3$N zigzag nanoribbons of different widths provide a useful setting for studying quantum interference effects involving edge state transport. A crucial ingredient for this interference to appear is,…

Mesoscale and Nanoscale Physics · Physics 2026-04-01 Andor Che Papior , Van-Truong Tran , Roberto D'Agosta , Stefan Kurth

A hallmark of wave-matter duality is the emergence of quantum-interference phenomena when an electronic transition follows different trajectories. Such interference results in asymmetric absorption lines such as Fano resonances, and gives…

Mesoscale and Nanoscale Physics · Physics 2021-07-15 Kai-Qiang Lin , Sebastian Bange , John M. Lupton

We develop an analytical model for ultracold atom-ion collisions using the multichannel quantum-defect formalism. The model is based on the analytical solutions of the r^-4 long-range potential and on the application of a frame…

Atomic Physics · Physics 2015-05-28 Zbigniew Idziaszek , Andrea Simoni , Tommaso Calarco , Paul S. Julienne

A rigorous quantum theory of atomic collisions in the presence of radio frequency (rf) magnetic fields is developed and applied to elucidate the effects of combined dc and rf magnetic fields on elastic scattering in ultracold collisions of…

Atomic Physics · Physics 2010-05-12 T. V. Tscherbul , T. Calarco , I. Lesanovsky , R. V. Krems , A. Dalgarno , J. Schmiedmayer

Modern nanotechnology opens the possibility of combining nanocrystals of various materials with very different characteristics in one superstructure. The resultant superstructure may provide new physical properties not encountered in…

Other Condensed Matter · Physics 2009-11-11 Wei Zhang , Alexander O. Govorov , Garnett W. Bryant

We demonstrate theoretically the Fano resonance and the conversion from fast to slow light in a hybrid quantum dot-semiconductor/superconductor ring device, where the QD is coupled to a pair of MFs appearing in the hybrid S/S ring device.…

Quantum Physics · Physics 2019-03-12 Hua-Jun Chen

Molecular optomechanics stems from the description of Raman scattering in the presence of an optical resonator using a cavity optomechanics formalism. We extend the molecular optomechanics formalism to the case of hybrid…

We present a new and robust approach for interpreting the physics of Fano resonances in planar oligomer structures of both metallic and dielectric nanoparticles. We reveal a key mechanism for Fano resonances by demonstrating that such…

Photoassociation of ultracold atoms is a resonant light-assisted collision process, in which two colliding atoms absorb a photon and form an excited molecule. Since the first observation about three decades ago, the photoassociation of…

Atomic Physics · Physics 2024-03-19 Jin Cao , Bo-Yuan Wang , Huan Yang , Zhi-Jie Fan , Zhen Su , Jun Rui , Bo Zhao , Jian-Wei Pan

Quantum acoustic systems, which integrate surface or bulk phonons with superconducting qubits, offer a unique opportunity to investigate phononic $interference$ and $scattering$ processes in the quantum regime. In particular the interaction…

Quantum mechanical scattering involving continuum states coupled to a scatterer with a discrete spectrum gives rise to Fano resonances. Here we consider scatterers that possess internal vibrational degrees of freedom in addition to discrete…

Atomic and molecular samples reduced to temperatures below 1 microkelvin, yet still in the gas phase, afford unprecedented energy resolution in probing and manipulating how their constituent particles interact with one another. For simple…

We present a dynamically frequency tunable Fano resonance planar device composed of periodically asymmetric graphene nanodisk pair for the mid-infrared region. There are two kinds of modes in this structure, that is, the symmetric mode and…

Optics · Physics 2015-02-02 Zhengren Zhang , Xiaopeng Su , Yuancheng Fan , Pengfei Yin , Liwei Zhang , Xi Shi

The coupling of atomic and photonic resonances serves as an important tool for enhancing light-matter interactions and enables the observation of multitude of fascinating and fundamental phenomena. Here, by exploiting the platform of…

Optics · Physics 2018-12-05 Liron Stern , Roy Zektzer , Noa Mazurski , Uriel Levy

Conductance through a system consisting of a wire with side-attached quantum dots is calculated. Such geometry of the device allows to study the coexistence of quantum interference, electron correlations and their influence on conductance.…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Piotr Stefanski