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We report on the optical characterization of semicontinuous nanostructured silver films exhibiting tunable optical reflectance asymmetries. The films are obtained using a multi-step process, where a nanocrystalline silver film is first…

Optics · Physics 2015-05-20 Aiqing Chen , Miriam Deutsch

Nanocrystals of indium oxide (In$_2$O$_3$) with sizes below 10 nm were prepared in alumina matrixes by using a co-pulverization method. The used substrates such as borosilicate glasses or (100) silicon as well as the substrate temperatures…

The technology problems of fabricating different, nanometers sized gold particles in the layered composites like light-sensitive chalcogenide glass/gold nanoparticles/transparent substrate or titanium/titanium oxide/gold nanoparticles were…

Materials Science · Physics 2014-01-10 Sandor Kokenyesi , Sandor Biri , Csaba Hegedus , Stepan Charnovich , Attila Csik

Because final properties of nanoscale polymeric structures are largely determined by the solid-state microstructure of the confined polymer, it is imperative not only to understand how the microstructure of polymers develops under nanoscale…

Quantum control of atoms at ultrashort distances from surfaces would open a new paradigm in quantum optics and offer a novel tool for the investigation of near-surface physics. Here, we investigate the motional states of atoms that are…

Quantum Physics · Physics 2021-04-23 Daniel Hümmer , Oriol Romero-Isart , Arno Rauschenbeutel , Philipp Schneeweiss

Random lasing occurs as the result of coherent optical feedback from random scattering centers. Plasmonic nanostructures, such as silver or gold nanoparticles, efficiently scatter light due to the formation of hot spots and optical…

Optics · Physics 2025-04-01 Yagya Woli , Bryson Krause , Thang Hoang

Electronic and optical properties of silver clusters were calculated using two different \textit{ab initio} approaches: 1) based on all-electron full-potential linearized-augmented plane-wave method and 2) local basis function…

Mesoscale and Nanoscale Physics · Physics 2016-11-28 John T. Titantah , Mikko Karttunen

In this paper we demonstrate the use of plasmonic focusing in conjunction with non-linear photoemisison to develop geometrically flat nanoscale electron sources with less than 40 pm-rad root mean squared (rms) normalized transverse…

The strength of light emission near metallic nanostructures can scale anomalously with frequency and dimensionality. We find that light-matter interactions in plasmonic systems confined in two dimensions (e.g., near metal nanowires)…

Optics · Physics 2015-05-27 D. A. Genov , R. F. Oulton , G. Bartal , X. Zhang

Graphene is an atomically thin plasmonic medium that supports highly confined plasmon polaritons, or nano-light, with very low loss. Electronic properties of graphene can be drastically altered when it is laid upon another graphene layer,…

Mesoscale and Nanoscale Physics · Physics 2019-01-25 S. S. Sunku , G. X. Ni , B. -Y. Jiang , H. Yoo , A. Sternbach , A. S. McLeod , T. Stauber , L. Xiong , T. Taniguchi , K. Watanabe , P. Kim , M. M. Fogler , D. N. Basov

A novel method for single-step, lithography-free, and large-scale laser writing of nanoparticle-based plasmonic structures has been developed. Changing energy of femtosecond laser pulses and thickness of irradiated gold film it is possible…

We predict theoretically that stable subwavelength plasmonic lattice solitons (PLSs) are formed in arrays of metallic nanowires embedded in a nonlinear medium. The tight confinement of the guiding modes of the metallic nanowires, combined…

Optics · Physics 2015-05-18 Fangwei Ye , Dumitru Mihalache , Bambi Hu , Nicolae C Panoiu

Plasmons, collective excitations of electrons in solids, are associated with strongly confined electromagnetic fields, with wavelengths far below the wavelength of photons in free space. This strong confinement promises the realization of…

Noble metal nanoparticles exhibit localized plasmon resonance modes that span the visible and near-infrared spectral ranges and have many applications. Modifying the size, shape, and composition of the nanoparticles changes the number of…

We report the coupling of photons from an optical fiber taper to surface plasmon modes of silver nanowires. The launch of propagating plasmons can be realized not only at ends of the nanowires, but also at the midsection. The degree of the…

We show that a stack of metal-dielectric nanolayers, in addition to the long- and short-range plasmons, guides also an entire family of modes strongly confined within the multilayer - the bulk plasmon modes. We propose the classification…

Optics · Physics 2007-06-13 Ivan Avrutsky , Ildar Salakhutdinov , Justin Elser , Viktor Podolskiy

Engineering strong p-wave interactions between fermions is one of the challenges in modern quantum physics. Such interactions are responsible for a plethora of fascinating quantum phenomena such as topological quantum liquids and exotic…

Quantum Gases · Physics 2013-07-11 B. Juliá-Díaz , T. Graß , O. Dutta , D. E. Chang , M. Lewenstein

Historically, the field of plasmonics has been relying on the framework of classical electrodynamics, with the local-response approximation of material response being applied even when dealing with nanoscale metallic structures. However,…

Metals such as silver support surface plasmons: electromagnetic surface excitations localised near the surface which originate from the free electrons of the metal. Surface modes are also observed on highly conducting surfaces perforated by…

Optics · Physics 2025-07-08 JB Pendry , L Martin-Moreno , FJ Garcia-Vidal

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…