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A method for the substantial reduction of propagation loss of surface plasmons was proposed and experimentally demonstrated. The method is based on the fact that the propagation loss of the surface plasmons depends significantly on the…

Optics · Physics 2020-10-05 V. Zayets , H. Saito , K. Ando , S. Yuasa

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

We propose a new mechanism for irreversibility of light assisted by surface plasmon polaritons (SPPs). By achieving the different mutual conversion efficiency between the radiation field and the SPPs on the opposite surfaces of metal…

We have observed laser-like emission of surface plasmon polaritons (SPPs) decoupled to the glass prism in an attenuated total reflection setup. SPPs were excited by optically pumped molecules in a polymeric film deposited on the top of the…

Optics · Physics 2009-11-13 M. A. Noginov , G. Zhu , M. F. Mayy , B. A. Ritzo , N. Noginova , V. A. Podolskiy

The formation of self-organized laser induced periodic surface structures (LIPSS) in metals, semiconductors and dielectrics upon pulsed laser irradiation is a well-known phenomenon, receiving increased attention due to its huge…

This paper reports on the excitation of surface plasmons on gold-coated nanofibre tips by side-illumination with a laser beam and the coupling of the surface plasmons to the optical fiber. The measurements show a strong dependence of the…

Optics · Physics 2015-06-16 D. Auwärter , C. Zimmermann , S. Slama

We characterize surface-plasmon polaritons at lossy planar interfaces between one dispersive and one nondispersive linear isotropic homogeneous media, i.e., materials or metamaterials. Specifically we solve Maxwell's equations to obtain…

Metasurfaces, with intrinsically planar nature and subwavelength thickness, provide us unconventional methodologies to not only mold the flow of propagating waves but also manipulate near-field waves. Plasmonic metasurfaces with topological…

We present an optical investigation of surface plasmon polaritons propagating along nanoscale Au-wires, lithographically defined on GaAs substrates. A two-axis confocal microscope was used to perform spatially and polarization resolved…

Mesoscale and Nanoscale Physics · Physics 2014-08-12 Gregor Bracher , Konrad Schraml , Marcus Ossiander , Simon Frederick , Jonathan J. Finley , Michael Kaniber

Surface plasma waves are collective oscillations of electrons that propagate along a metal-dielectric interface. In the last ten years, several groups have reproduced fundamental quantum optics experiments with surface plasmons. Observation…

We investigate a method to directly measure the phase of a laser beam reflected from a metallic film after excitation of surface plasmon polaritons. This method permits real time access to the phase information, it increases the possible…

Optics · Physics 2015-05-19 T. König , M. Weidemüller , A. Hemmerich

We review the latest theoretical advances in the application of the framework of Transformation Optics for the analytical description of deeply sub-wavelength electromagnetic phenomena. First, we present a general description of the…

Mesoscale and Nanoscale Physics · Physics 2019-08-01 Paloma A. Huidobro , Antonio I. Fernández-Domínguez

We propose a method to enhance the spatial coupling between ballistic exciton-polariton condensates in a semiconductor microcavity based on available spatial light modulator technologies. Our method, verified by numerically solving a…

Quantum Gases · Physics 2022-12-28 Yuan Wang , Pavlos G. Lagoudakis , Helgi Sigurdsson

Surface plasmon polaritons (SPPs) are coherent electromagnetic surface waves trapped on an insulator-conductor interface. The SPPs decay exponentially along the propagation due to conductor losses, restricting the SPPs propagation length to…

Optics · Physics 2015-12-11 M. Mattheakis , T. Oikonomou , M. I. Molina , G. P. Tsironis

Surface plasmon polaritons carrying orbital angular momentum are of great fundamental and applied interest. However, common approaches for their generation are restricted to having a weak dependence on the properties of the…

We demonstrate deterministic control of the nearest and next-nearest neighbor coupling in the unit cell of a square lattice of microcavity exciton-polariton condensates. We tune the coupling in a continuous and reversible manner by…

Mesoscale and Nanoscale Physics · Physics 2020-05-27 Sergey Alyatkin , Julian D. Töpfer , Alexis Askitopoulos , Helgi Sigurdsson , Pavlos G. Lagoudakis

Plasmon-mediated superradiance for molecules around metallic nanospheres was proposed ten years ago. However, its demonstration has not been achieved yet due to the experimental difficulty of positioning molecules, and the theoretical…

The work is devoted to the investigation of the surface plasmon polaritons in the metal - dielectric heterostructures containing materials with magnetoelectric properties. The analysis of various possible configurations shows that the…

We theoretically study the spatial focusing of surface polaritons (SPs) in a negative index metamaterial (NIMM)-atomic gas interface waveguide system, based on cross phase modulation (XPM) in a tripod type double electromagnetically induced…

Optics · Physics 2021-01-19 Chaohua Tan , Na Li , Datang Xu , Zhiming Chen , Yong Zhou

We review studies of superintense laser interaction with solid targets where the generation of propagating surface plasmons (or surface waves) plays a key role. These studies include the onset of plasma instabilities at the irradiated…

Optics · Physics 2018-04-18 A. Macchi
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