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Related papers: Nonlocal study of ultimate plasmon hybridization

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We perform a study of the achievable field enhancement of plasmonic cascade nanolenses in the quantum and classical regimes, and explore the limits enforced at larger sizes by retardation and at smaller sizes by nonlocality and other…

Optics · Physics 2017-12-25 Jamie M. Fitzgerald , Vincenzo Giannini

In the present work, we explore the case of a general PT-symmetric dimer in the context of two both linearly and nonlinearly coupled cubic oscillators. To obtain an analytical handle on the system, we first explore the rotating wave…

Pattern Formation and Solitons · Physics 2014-09-26 J. Cuevas-Maraver , A. Khare , P. G. Kevrekidis , H. Xu , A. Saxena

We develop an analytic circuit model for coupled plasmonic dimers separated by small gaps that provides a complete account of the optical resonance wavelength. Using a suitable equivalent circuit, it shows how partially conducting links can…

Understanding the physics of light emitter in quantum nanostructure regarding scalability, geometry, structure of the system and coupling between different degrees of freedom is important as one can improve the design and further provide…

Mesoscale and Nanoscale Physics · Physics 2019-01-25 Chen-Yen Lai , S. A. Trugman , Jian-Xin Zhu

Achieving and controlling non-reciprocity in engineered photonic structures is of fundamental interest in science and engineering. Here, we introduce a tunable, non-Hermitian, nonlinear microwave dimer designed to precisely implement…

We introduce a hybrid plasmonic-photonic cavity setup that can be used to induce and control long-distance heat transfer between molecular systems through optomechanical interactions. The structure consists of two separated plasmonic…

Quantum Physics · Physics 2021-01-12 S. Mahmoud Ashrafi , R. Malekfar , A. R. Bahrampour , Johannes Feist

Starting from the Hamiltonian for a dimer which includes all the electronic and electron-phonon terms consistent with a non-degenerate orbital, by a sequence of displacement and squeezing transformation we obtain an effective polaronic…

Condensed Matter · Physics 2009-10-31 M. Cococcioni , M. Acquarone

An opalic plasmonic sample, constituted by a hexagonal arrangement of metallized silica spheres, presents remarkable optical properties due to the mixing of periodic arrangement and singularities at the sphere touching points. It is…

The interaction between doped graphene nanoislands connected by narrow junctions constitutes an ideal testbed to probe quantum effects in plasmonic systems. Here, the interaction between graphene plasmons in neighboring nanoislands is…

Mesoscale and Nanoscale Physics · Physics 2013-03-11 Sukosin Thongrattanasiri , Alejandro Manjavacas , Peter Nordlander , F. Javier Garcia de Abajo

For a dimer with a non-degenerate orbital built from atomic wave functions of Gaussian shape we evaluate all the electron-phonon couplings derived from the one-body and two-body electronic interactions, considering both the adiabatic and…

Strongly Correlated Electrons · Physics 2016-08-31 Marcello Acquarone , Canio Noce

Efficient optical excitation of hybridized plasmon modes in nanoantennas is vital to achieve many promising functionalities, but it can be challenging due to a field-profile mismatch between the incident light and the hybrid mode. We…

Spectroscopic studies of semiconductor quantum dots (SQDs) addressing the problem of non-radiative carrier losses is vital for the improvement in the efficiency of various light-emitting devices. Various designs of SQDs emitter like doping,…

Mesoscale and Nanoscale Physics · Physics 2020-08-07 Sabina Gurung , Asha Singh , J. Jayabalan

Photocurrent is arising as a powerful tool for detecting in-plane collective excitations in hybrid polariton systems. In this paper, based on the intrinsic optoelectric response of graphene, photocurrent imaging of in-plane plasmons from…

Surface plasmons in graphene provide a compelling strategy for advanced photonic technologies thanks to their tight confinement, fast response and tunability. Recent advances in the field of all optical generation of graphene plasmons in…

Optics · Physics 2022-06-08 Y. Li , N. An , Z. Lu , Y. Wang , B. Chang , T. Tan , X. Guo , X. Xu , J. He , H. Xia , Z. Wu , Y. Su , Y. Liu , Y. Rao , G. Soavi , B. Yao

The ability to engineer localized surface plasmon resonances at large scale usually relies on precise nanoscale patterning. Here, we demonstrate that mid-infrared plasmonic responses can instead emerge in unpatterned polysilicon films…

Physical and chemical properties of materials can be modified by a resonant optical mode. Such recent demonstrations have mostly relied on a planar cavity geometry, others have relied on a plasmonic resonator. However, the combination of…

Bosonic collective modes are ubiquitous in metals, but over a wide range of energy and momenta suffer from Landau damping, decaying into the continuum of particle-hole excitations. Here we point out that interactions can suppress this…

Strongly Correlated Electrons · Physics 2024-03-20 Xuepeng Wang , Roderich Moessner , Debanjan Chowdhury

We reveal new aspects of the interaction between plasmons and phonons in 2D materials that go beyond a mere shift and increase in plasmon width due to coupling to either intrinsic vibrational modes of the material or phonons in a supporting…

We examine here the anomalous optical response of a nanosphere composed of two conjoined hemispheres of different materials, one of them being plasmonic. At the internal resonance, we show how the light interaction becomes dramatically…

Materials Science · Physics 2008-02-22 Andrea Alu , Nader Engheta

The optical responses of structured array of noble-metal nanoparticle dimers immersed in a glass matrix are investigated theoretically, motivated by the recent experimental observation of the splitting of the surface plasmon bands in silver…

Optics · Physics 2007-05-23 J. J. Xiao , J. P. Huang , K. W. Yu