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Studying quantum properties in solid-state systems is a significant avenue for research. In this scenario, double quantum dots (DQDs) appear as a versatile platform for technological breakthroughs in quantum computation and nanotechnology.…

Quantum Physics · Physics 2023-02-07 Zakaria Dahbi , Maron F. Anka , Mostafa Mansour , Moises Rojas , Clebson Cruz

Transport properties of an interacting triple quantum dot system coupled to three leads in a triangular geometry has been studied in the Kondo regime. Applying mean-field finite-U slave boson and embedded cluster approximations to the…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 E. Vernek , C. A. Busser , G. B. Martins , E. V. Anda , N. Sandler , S. E. Ulloa

Theoretical Raman line shape functions have been studied to take care of quantum confinement effect and Fano effect individually and jointly. The characteristics of various Raman line shapes have been studied in terms of the broadening and…

An ultra-compact one-dimensional topological photonic crystal (1D-TPC) is designed in a single mode silicon bus-waveguide to generate Fano resonance lineshape. The Fano resonance comes from the interference between the discrete topological…

We investigate the orbital origin of the Fano-Kondo line shapes measured in STM spectroscopy of magnetic adatoms on metal substrates. To this end we calculate the low-bias tunnel spectra of a Co adatom on the (001) and (111) Cu surfaces…

Strongly Correlated Electrons · Physics 2016-01-08 Sebastian Frank , David Jacob

By embedding four-rod resonators inside double-split ring resonators superlattice, a planar composite metamaterial possessing tripod plasmonic resonances is fabricated. Double Fano resonances are observed where a common subradiant driven…

We investigate theoretically the balance of the static magnetic and the dynamical photon forces in the electron transport through a quantum dot in a photon cavity with a single photon mode. The quantum dot system is connected to external…

Mesoscale and Nanoscale Physics · Physics 2016-08-03 Nzar Rauf Abdullah , Chi-Shung Tang , Andrei Manolescu , Vidar Gudmundsson

We investigate two equivalent capacitively and tunnel coupled quantum dots, each coupled to its own pair of leads. Local Holstein type electron-phonon coupling at the dots is assumed. To study many-body effects we use the finite-U…

Mesoscale and Nanoscale Physics · Physics 2023-11-20 D. Krychowski , S. Lipiński

We present a detailed analysis of the dynamics of photon transport in waveguiding systems in the presence of a two-level system. In these systems, quantum interference effects generate a strong effective optical nonlinearity on the…

Mesoscale and Nanoscale Physics · Physics 2010-01-20 Paolo Longo , Peter Schmitteckert , Kurt Busch

A route toward lineshape engineering of Fano resonances in photonic structures is theoretically proposed, which uses dynamic modulation of the refractive index of a microcavity. The method is exemplified by considering coupled-resonator…

Optics · Physics 2016-01-15 Stefano Longhi

We report the inclusion of phonon scattering to our recently established numerical package QmeQ for transport in quantum dot systems. This enables straightforward calculations for a large variety of devices. As examples we show (i)…

Mesoscale and Nanoscale Physics · Physics 2019-02-19 B. Goldozian , G. Kiršanskas , F. A. Damtie , A. Wacker

Using a polaron master equation approach we investigate the resonance fluorescence spectra from coherently driven quantum dots (QDs) coupled to an acoustic phonon bath and a photonic crystal waveguide with a rich local density of photon…

Quantum Physics · Physics 2016-06-29 Kaushik Roy-Choudhury , Nishan Mann , Ross Manson , Stephen Hughes

Quantum coherence is of crucial importance for the applicability of donor based quantum computing. In this Letter we describe the observation of the interference of conduction paths induced by two donors in a nano-MOSFET resulting in a Fano…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 J. Verduijn , G. C. Tettamanzi , G. P. Lansbergen , N. Collaert , S. Biesemans , S. Rogge

We show that, nonlinear optical processes of nanoparticles can be controlled by the presence of interactions with a molecule or a quantum dot. By choosing the appropriate level spacing for the quantum emitter, one can either suppress or…

Mesoscale and Nanoscale Physics · Physics 2014-09-22 Deniz Turkpence , Gursoy B. Akguc , Alpan Bek , Mehmet Emre Tasgin

Fano mechanism is the universal explanation of asymmetric resonance appearing in different systems. We report the evidence of Fano-like resonance in selective reflection from a resonant two-level medium. We draw an analogy with the…

Optics · Physics 2016-04-13 Denis V. Novitsky

By breaking the symmetrical arrangement of double micro-ring resonator, the formation mechanism and performance of reflection and transmission spectrum and optical field distribution are investigated. The reflection spectrum is Fano shape.…

Optics · Physics 2024-07-31 Chaoying Zhao

Atomic clusters attached to a low-dimensional system, called Fano defects, produce rich wave interferences. In this work, we analytically found an enhanced thermoelectric figure-of-merit (ZT) in periodic atomic chains with Fano defects,…

Mesoscale and Nanoscale Physics · Physics 2018-06-08 J. Eduardo González , Vicenta Sánchez , Chumin Wang

A strongly asymmetric, Fano-like resonance profile has been found for magneto-absorption in the states of hot free electron-hole pairs scattered by defects in bulk semiconductors. The renormalization of the absorption profile, compared to…

Condensed Matter · Physics 2007-05-23 V. I. Belitsky , A. Cantarero , S. T. Pavlov

Surface plasmon resonances, the coherent oscillation of free electrons, can concentrate incident field into small volumes much smaller than the incident wavelength. The intense fields at these \textit{hot spots} enhance the light-matter…

Optics · Physics 2021-09-17 Mehmet Gunay

Recently, the coupling of two different modes of a homogeneous plasmonic particle and their sharply varying spectra were elucidated as Fano resonances; an 'interference' of two spatially orthogonal modes driving each other. On the other…

Optics · Physics 2015-12-24 Srishti Garg , Murugesan Venkatapathi
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