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We theoretically demonstrate coherent control over propagation of surface plasmon polaritons(SPP), at both telecommunication and visible wavelengths, on a metallic surface adjacent to quantum coherence (phaseonium) medium composed of…

Atomic Physics · Physics 2015-06-12 Pankaj K. Jha , Xiaobo Yin , Xiang Zhang

We propose a model accounting for plasmons within a two temperature description, to investigate the role of surface plasmon polaritons (SPP) in the energy redistribution between laser excited electrons and the lattice, leading to surface…

Mesoscale and Nanoscale Physics · Physics 2021-11-10 Othmane Benhayoun , P. N. Terekhin , Dmitry Ivanov , Bärbel Rethfeld , Martin Garcia

Excitation of coherent optical phonons in solids provides a pathway for ultrafast modulation of light on a sub-ps timescale. Here, we report on efficient 3.6 THz modulation of light reflected from hybrid metal/semiconductor plasmonic…

The excitation of multiple surface-plasmon-polariton (SPP) waves of different linear polarization states and phase speeds by a surface-relief grating formed by a metal and a rugate filter, both of finite thickness, was studied…

Optics · Physics 2014-06-23 Muhammad Faryad , Akhlesh Lakhtakia

In modern integrated circuits and wireless communication systems/devices, three key features need to be solved simultaneously to reach higher performance and more compact size: signal integrity, interference suppression, and…

Optics · Physics 2015-05-06 Hao Chi Zhang , Tie Jun Cui , Qian Zhang , Yifeng Fan , Xiaojian Fu

The collective modes of helical electron gases interacting with light have been studied in an extended random phase approximation. By separating two kinds of electron density oscillations, the complicate operator dynamics coupling electrons…

Other Condensed Matter · Physics 2018-08-30 Li Mao , Hongxing Xu

The combination of plasmonic nanoparticles and graphene enhances the responsivity and spectral selectivity of graphene-based photodetectors. However, the small area of the metal-graphene junction, where the induced electron-hole pairs…

Mesoscale and Nanoscale Physics · Physics 2016-08-02 T. J. Echtermeyer , S. Milana , U. Sassi , A. Eiden , M. Wu , E. Lidorikis , A. C. Ferrari

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

We report the experimental observation of the transverse spin and associated spin-momentum locking of surface plasmon polaritons (SPPs) excited in a plasmonic single crystalline silver nanowire (AgNW). In contrast to the SPPs excited in…

Optics · Physics 2021-11-03 Chetna Taneja , Diptabrata Paul , G V Pavan Kumar

We show that the surface plasmon polariton (SPP) radiation patterns of point-dipole emitters in the vicinity of a metal-dielectric interface are generally asymmetric with respect to the location of the emitter. In particular rotating…

Optics · Physics 2013-12-02 J. P. Balthasar Mueller , Federico Capasso

Leveraging thermal losses as a useful consequence of surface plasmons in metal nanostructures has gained traction in recent years. This thermalization of hot electrons also induces a resistance change to an applied bias current, which we…

Optics · Physics 2024-12-23 Alec R. Cheney , Borui Chen , Tim Thomay

Recently, guiding electromagnetic surface waves without sacrificing scattering losses through paths that have arbitrary shape bumps has gained a lot of interest due to its wealth of advantages in modern photonics and plasmonics devices. In…

Correlated materials may exhibit unusually high resistivity increasing linearly in temperature, breaking through the Mott-Ioffe-Regel bound, above which coherent quasiparticles are destroyed. The fate of collective charge excitations, or…

Semiconductor-based layered hyperbolic metamaterials (HMMs) house high-wavevector volume plasmon polariton (VPP) modes in the infrared spectral range. VPP modes have successfully been exploited in the weak-coupling regime through the…

Optics · Physics 2021-12-22 Patrick Sohr , Dongxia Wei , Zhengtianye Wang , Stephanie Law

The fact that surface-induced damping rate of surface plasmon polaritons (SPPs) in metal nanoparticles increases with the decrease of particle size is well known. We show that this rate also increases with the degree of the mode…

Optics · Physics 2016-01-20 Jacob B Khurgin , Greg Sun

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

Due to their extremely long propagation lengths compared to the wavelengths, surface plasmon polaritons (SPPs) have been considered as a key in enhancing thermal conductivity in thin metal films. This study explores the conditions at which…

Applied Physics · Physics 2024-04-12 Kuk Hyun Yun , Dong-min Kim , Bong Jae Lee

We theoretically investigate the surface plasmon polariton (SPP) at the interface between 3D strong topological insulator (TI) and layered superconductor-magnetic insulator structure. The tunability of SPP through electronic doping can be…

Mesoscale and Nanoscale Physics · Physics 2016-10-05 Mingda Li , Zuyang Dai , Wenping Cui , Zhe Wang , Ferhat Katmis , Peisi Le , Jiayue Wang , Lijun Wu , Yimei Zhu

Plasmonic nanostructures, which are used to generate surface plasmon polaritions (SPPs), always involve sharp corners where the charges can accumulate. This can result in strong localized electromagnetic fields at the metallic corners,…

Optics · Physics 2016-09-21 Wenjie Yao , Chengwei Sun , Jianjun Chen , Qihuang Gong

We consider the coupling of bulk space-time-structured waves, such as spatiotemporal vortex pulses (STVPs), to surface waves, such as surface plasmon-polaritons (SPPs). For resonant coupling that preserves the frequency and tangent…