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Surface plasmon polaritons (plasmons) are a combination of light and a collective oscillation of the free electron plasma at metal-dielectric interfaces. This interaction allows sub-wavelength confinement of light, beyond the diffraction…

Mesoscale and Nanoscale Physics · Physics 2013-09-27 Reinier W. Heeres , Leo P. Kouwenhoven , Valery Zwiller

Metamaterials and plasmonics are powerful tools for unconventional manipulation and harnessing of light. Metamaterials can be engineered to possess intriguing properties lacking in natural materials, such as negative refractive index.…

Plasmonic phenomena are exhibited in light-matter interaction involving materials whose real parts of permittivity functions attain negative values at operating wavelengths. However, such materials usually suffer from dissipative losses,…

Materials Science · Physics 2016-06-22 Cristian Della Giovampaola , Nader Engheta

When metallic (or plasmonic) nanospheres are nearly touching, strong concentration of light can occur in the narrow gap regions. This phenomenon has a potential application in nanophotonics, biosensing and spectroscopy. The understanding of…

Computational Physics · Physics 2017-06-27 Sanghyeon Yu , Habib Ammari

High-quality factor plasmonic devices are crucial components in the fields of nanophotonics, quantum computing and sensing. The majority of these devices are required to be fabricated on non-lattice matched or transparent amorphous…

Low-dimensional plasmonic materials can function as high quality terahertz and infrared antennas at deep subwavelength scales. Despite these antennas' strong coupling to electromagnetic fields, there is a pressing need to further strengthen…

The paper is of a methodological character and has as a goal to give a brief description of the concept of theory and practical application of very slow optical plasmons. They exist on the metal-dielectric boundaries, namely, on very thin…

Optics · Physics 2015-05-13 V. S. Zuev , G. Ya. Zueva

Photonic crystals and metamaterials have emerged as two classes of tailorable materials that enable precise control of light. Plasmonic crystals, which can be thought of as photonic crystals fabricated from plasmonic materials, Bragg…

Mesoscale and Nanoscale Physics · Physics 2016-05-11 Gregory C. Dyer , Gregory R. Aizin , S. James Allen , Albert D. Grine , Don Bethke , John L. Reno , Eric A. Shaner

Structured, periodic optical materials can be used to form photonic crystals capable of dispersing, routing, and trapping light. A similar phenomena in periodic elastic structures can be used to manipulate mechanical vibrations. Here we…

Graphene plasmons were predicted to possess ultra-strong field confinement and very low damping at the same time, enabling new classes of devices for deep subwavelength metamaterials, single-photon nonlinearities, extraordinarily strong…

Material losses in metals are a central bottleneck in plasmonics for many applications. Here we propose and theoretically demonstrate that metal losses can be successfully mitigated with dielectric particles on metallic films, giving rise…

Plasmonic devices have advanced significantly in the past decade. Being one of the most intriguing devices, plamonic nanolasers plays an important role in biomedicine, chemical sensor, information technology, and optical integrated…

Mesoscale and Nanoscale Physics · Physics 2015-05-22 Bo-Tsun Chou , Yu-Hsun Chou , Yen-Mo Wu , Yi-Chen Chung , Wei-Jen Hsueh , Shih-Wei Lin , Tien-Chang Lu , Tzy-Rong Lin , Sheng-Di Lin

Regular arrays of metal nanoparticles on metal films have tuneable optical resonances that can be applied for surface enhanced Raman scattering or biosensing. With the aim of developing more surface selective geometries we investigate…

Mesoscale and Nanoscale Physics · Physics 2012-09-13 Andreas Hohenau , Joachim R. Krenn

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

Silver nanoparticles embedded in a dielectric matrix are investigated for their potential as broadband-absorbing optical sensor materials. This contribution focuses on the electrical properties of silver nanoparticles at various…

Materials Science · Physics 2011-06-21 Haoyan Wei , Hergen Eilers

Two dimensional materials offer a path forward for smaller and more efficient devices. Their optical and electronic properties give way to beat the limits set in place by Moore's Law. Plasmon are the collective oscillations of electrons and…

Mesoscale and Nanoscale Physics · Physics 2020-12-21 Eoin Moynihan , Stefan Rost , Eoghan O'Connell , Quentin Ramasse , Christoph Friedrich , Ursel Bangert

We use electronic structure calculations based upon density functional theory to search for ideal plasmonic materials among the alkali noble intermetallics. Importantly, we use density functional perturbation theory to calculate the…

Optics · Physics 2021-08-24 Martin G. Blaber , Matthew D. Arnold , Michael J. Ford

In recent years, we have seen a rapid progress in the field of graphene plasmonics, motivated by graphene's unique electrical and optical properties, tunabilty, long-lived collective excitation and their extreme light confinement. Here, we…

Materials Science · Physics 2014-03-13 Tony Low , Phaedon Avouris

Surface Plasmon Resonance sensors are a well-established class of sensors which includes a very large variety of materials and detection schemes. However, the development of portable devices is still challenging as due to the intrinsic…

Plasmonic circuitry is considered as a promising solution-effective technology for miniaturizing and integrating the next generation of optical nano-devices. A key element is the shared metal network between electrical and optical…

Mesoscale and Nanoscale Physics · Physics 2015-09-24 M. Song , A. Thete , J. Berthelot , Q. Fu , D. Zhang , G. Colas des Francs , E. Dujardin , A. Bouhelier