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The formation of a stable magneto plasmonic dimer with THz resonances is theoretically studied for the principal directions of the system. Unlike a recent report, our work provides a complete description of the full photonic coupling for…

Optics · Physics 2023-01-04 Ricardo Martin Abraham-Ekeroth

Enhanced beam shifts mediated by surface plasmon resonance (SPR) at metal-dielectric interfaces have been widely investigated. However, research on the associated Imbert-Fedorov or spin Hall shifts, driven by the spin-orbit interaction of…

Plasmon drag effect is studied theoretically and experimentally in gold films with a sine-wave height profile. Numerical simulations based on the modified electromagnetic momentum loss approach are shown to correctly describe the…

Materials Science · Physics 2016-03-25 N. Noginova , M. LePain , V. Rono , S. Masshadi , R. Hussain , M. Durach

Particle plasmons in metal nanoparticles have primarily been investigated through the use of local optical response approximations. However, as nanoparticle size approaches the average distance of electrons to the metal surface, mesoscopic…

Optics · Physics 2023-06-28 Weixiang Ye

We explored the surface enhanced Raman scattering (SERS) activity of the InN nanostructures, possessing surface electron accumulation (SEA), using the Rhodamine 6G (R6G) molecules. SERS enhancement is observed for the InN nanostructures…

Materials Science · Physics 2018-08-14 Kishore K. Madapu , Sandip Dhara

We present a theoretical study of the optical response of a nonlinear oscillator formed by coupling a metal nanoparticle local surface plasmon resonance to excitonic degrees of freedom in a monolayer transition-metal dichalcogenide. We show…

Mesoscale and Nanoscale Physics · Physics 2019-06-13 Daniel B. S. Soh , Ryotatsu Yanagimoto , Eric Chatterjee , Hideo Mabuchi

Investigation of magnetooptical characteristics of ferrofluids is an important task aimed at the development of novel optoelectronic systems. This article reports on the results obtained in the experimental studies of the factors that…

Surface plasmons are the collective electron excitations in metallic systems and the associated electromagnetic wave usually has the transverse magnetic (TM) polarization. On the other hand, spin waves are the spin excitations perpendicular…

Mesoscale and Nanoscale Physics · Physics 2024-09-17 H. Y. Yuan , Yaroslav M. Blanter , H. Q. Lin

The field of plasmonics seeks to find materials with an intensive plasmon (large plasmon pole weight) with low Landau, phonon and other losses (small decay width). In this paper we propose a new class of materials that show exceptionally…

Mesoscale and Nanoscale Physics · Physics 2018-10-02 Ivor Lončarić , Zoran Rukelj , Vyacheslav M. Silkin , Vito Despoja

We study the influence of an external magnetic field on the collective electronic excitations in metallic nanoparticles. While the usual surface plasmon corresponding to the collective oscillation of the electrons with respect to the ionic…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 Guillaume Weick , Dietmar Weinmann

We study the linewidth of the surface plasmon resonance in the optical absorption spectrum of metallic nanoparticles, when the decay into electron-hole pairs is the dominant channel. Within a semiclassical approach, we find that the…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Rafael A. Molina , Dietmar Weinmann , Rodolfo A. Jalabert

Using group theory we classify the nonlinear magneto-optical response at low-index surfaces of fcc antiferromagnets, such as NiO. Structures consisting of one atomic layer are discussed in detail. We find that optical second harmonic…

Condensed Matter · Physics 2009-10-31 M. Trzeciecki , A. Daehn , W. Huebner

Microwave absorption spectra of a single square of two-dimensional electrons (2DES) have been investigated using an optical detection technique. Fundamental dipole and harmonic quadrupole plasmon modes have been identified and compared to…

Mesoscale and Nanoscale Physics · Physics 2023-02-22 A. M. Zarezin , D. Mylnikov , A. S. Petrov , D. Svintsov , P. A. Gusikhin , I. V. Kukushkin , V. M. Muravev

We theoretically explore the notion of nonreciprocal near-zone manipulation of electromagnetic fields within subwavelength plasmonic nanostructures embedded in magneto-optical materials. We derive an analytical model predicting a strong,…

Optics · Physics 2013-01-01 Artur R. Davoyan , Nader Engheta

We present a method for a precise determination of magnetic anisotropy and anisotropy of quadratic magneto-optical response of thin films of ferromagnetic and ferrimagnetic materials. The method is based on measurements of a magneto-optical…

We demonstrate that surface plasmons of a thin metal film interacting with a periodic array of nano-structures around it can be utilized to make bulk negative index metamaterials at visible spectrum with simultaneously negative permittivity…

Optics · Physics 2011-11-30 Muhammad I. Aslam , Durdu Ö. Güney

Surface plasmon polaritons are electromagnetic waves propagating on the surface of a metal. Thanks to subwavelength confinement to the surface, they can concentrate optical energy on the micrometer or even nanometer scale, enabling new…

Materials Science · Physics 2016-04-27 B. Dastmalci , P. Tassin , Th. Koschny , C. M. Soukoulis

In the presence of an external magnetic field, the surface plasmon polariton that exists at the metal-dielectric interface is believed to support a unidirectional frequency range near the surface plasmon frequency, where the surface plasmon…

We consider scattering of surface plasmon polaritons (SPPs) and light by individual high-refractive-index dielectric nanoparticles (NPs) located on a metal (gold) substrate and supporting electric and magnetic dipole resonances in the…

Mesoscale and Nanoscale Physics · Physics 2016-09-21 Andrey B. Evlyukhin , Sergey I. Bozhevolnyi

Research at the frontier between optics and magnetism is revealing a wealth of innovative phenomena and avenues of exploration. Optical waves are demonstrating the capacity to induce ultrafast magnetism, while optical analogs of magnetic…

Optics · Physics 2024-04-08 Vage Karakhanyan , Thierry Grosjean