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Journal articles on the topic 'Surface plasmon polaritons (SPPs)'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Tan, Bowen, Xingcheng Xiang, Longcheng Feng, et al. "Focusing enhancement of terahertz surface plasmon polaritons." Applied Physics Letters 122, no. 15 (2023): 151101. http://dx.doi.org/10.1063/5.0142160.

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Subwavelength-sized metallic structures exhibit extraordinary responses to electromagnetic waves due to their geometry, generating surface plasmon polaritons (SPPs) at the metal–dielectric interface. The development and application of terahertz (THz) science, which is an emerging science, can be advanced by studying SPPs in the THz band. Because the field strength of SPPs gradually weakens in the propagation direction, a coherent phase-matched THz SPP enhancement structure was designed. Here, we demonstrated an asymmetrical circular groove structure. And using this structure, THz SPPs can be e

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2

Xiong, Lin, Yutao Li, Minwoo Jung, et al. "Programmable Bloch polaritons in graphene." Science Advances 7, no. 19 (2021): eabe8087. http://dx.doi.org/10.1126/sciadv.abe8087.

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Efficient control of photons is enabled by hybridizing light with matter. The resulting light-matter quasi-particles can be readily programmed by manipulating either their photonic or matter constituents. Here, we hybridized infrared photons with graphene Dirac electrons to form surface plasmon polaritons (SPPs) and uncovered a previously unexplored means to control SPPs in structures with periodically modulated carrier density. In these periodic structures, common SPPs with continuous dispersion are transformed into Bloch polaritons with attendant discrete bands separated by bandgaps. We expl

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3

Wang, Yindi, Hongxia Liu, Shulong Wang, Ming Cai, and Lan Ma. "Optical Transport Properties of Graphene Surface Plasmon Polaritons in Mid-Infrared Band." Crystals 9, no. 7 (2019): 354. http://dx.doi.org/10.3390/cryst9070354.

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The excellent transmission characteristics of graphene surface plasmon polaritons in mid-infrared band were analyzed and verified effectively through theoretical derivation and soft simulation in this paper. Meanwhile, a sandwich waveguide structure of dielectric–graphene–substrate–dielectric based on graphene surface plasmon polaritons (SPPs) was presented. Simulation results indicate that graphene SPPs show unique properties in the mid-infrared region including ultra-compact mode confinement and dynamic tunability, which allow these SPPs to overcome the defects of metal SPPs and traditional

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4

Borra, Vamsi, Daniel G. Georgiev, and Victor G. Karpov. "Cultivating Metal Whiskers by Surface Plasmon Polariton Excitation." MRS Advances 1, no. 12 (2016): 805–10. http://dx.doi.org/10.1557/adv.2016.160.

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ABSTRACTThis work presents a preliminary experimental study on the possibility to initiate growth of whiskers on the surfaces of some technologically important metals utilizing the enhanced electric field of surface plasmon polaritons (SPPs). The results provide evidence that a relatively high concentration of what appear to be whisker nuclei form in the region where SPPs were excited, whereas no such changes are observed on the untreated surface.

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5

Hirbodvash, Zohreh, and Pierre Berini. "Surface Plasmon Electrochemistry: Tutorial and Review." Chemosensors 11, no. 3 (2023): 196. http://dx.doi.org/10.3390/chemosensors11030196.

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Surface plasmon polaritons (SPPs) are optical surface waves propagating along a metal surface. They exhibit attributes such as field enhancement and sub-wavelength localization, which make them attractive for surface sensing, as they are heavily exploited in surface plasmon biosensors. Electrochemistry also occurs on metal surfaces, and electrochemical techniques are also commonly applied in biosensors. As metal surfaces are integral in both, it is natural to combine these techniques into a single platform. Motivations include: (i) realising a multimodal biosensor (electrochemical and optical)

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6

Vinnakota, Raj K., Zuoming Dong, Andrew F. Briggs, Seth R. Bank, Daniel Wasserman, and Dentcho A. Genov. "Plasmonic electro-optic modulator based on degenerate semiconductor interfaces." Nanophotonics 9, no. 5 (2020): 1105–13. http://dx.doi.org/10.1515/nanoph-2019-0518.

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AbstractWe present a semiconductor-based optoelectronic switch based on active modulation of surface plasmon polaritons (SPPs) at lattice-matched indium gallium arsenide (In0.53Ga0.47As) degenerately doped pn++ junctions. The experimental device, which we refer to as a surface plasmon polariton diode (SPPD), is characterized electrically and optically, showing far-field reflectivity modulation for mid-IR wavelengths. Self-consistent electro-optic multiphysics simulations of the device’s electrical and electromagnetic response have been performed to estimate bias-dependent modulation and switch

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7

Wang, Zongyuan, Bin Hu, Zhaoran Niu, Weiguang Liu, Guocui Wang, and Yan Zhang. "Terahertz surface plasmon polaritons travelling on laser-induced porous graphene." Applied Physics Letters 120, no. 18 (2022): 181701. http://dx.doi.org/10.1063/5.0090118.

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Surface plasmon polaritons (SPPs) have shown huge application potentials in photonic on-chip devices, sensing, imaging, and metamaterials. However, in the terahertz (THz) regime, metals used in the visible and near infrared frequencies cannot support SPPs due to their near-zero skin depth. At present, feasible methods mainly include exploiting spoof SPPs through complex structural design on metals or using semiconductors. In this work, we experimentally demonstrate that porous graphene induced by laser beams with low fabrication cost can support SPPs in the THz regime with good performance. Us

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8

Jin, Jinjin, Xiong Li, Yinghui Guo, et al. "Polarization-controlled unidirectional excitation of surface plasmon polaritons utilizing catenary apertures." Nanoscale 11, no. 9 (2019): 3952–57. http://dx.doi.org/10.1039/c8nr09383k.

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9

Ozaki, Miyu, Tomohisa Sakai, Hiromichi Murata, and Ryoshu Furutani. "Identification of Fluids by the Color of Surface Plasmon Polaritons." Key Engineering Materials 625 (August 2014): 316–21. http://dx.doi.org/10.4028/www.scientific.net/kem.625.316.

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When optical waves make the free electrons on a metal surface resonate, optical energy propagates along the surface as density waves of the free electrons. The longitudinal waves and electrical fields of the electrons are called surface plasmon polaritons (SPPs), which are widely applied in high sensitivity sensors because the excitation of SPPs sensitively depends on the refractive index of the surrounding dielectric sample. Here, we report the identification of fluids by using the color dispersion of SPPs. Silver film on a prism surface is illuminated with white light to excite SPPs. A color

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10

Peres, N. M. R., P. A. D. Gonçalves, T. Stauber, and N. Asger Mortensen. "Graphene plasmonics: manipulating light at the nanoscale with a one-atom-thick material." Europhysics News 55, no. 4 (2024): 16–19. http://dx.doi.org/10.1051/epn/2024406.

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Surface plasmon polaritons (SPPs), collective oscillations of the electron density coupled to electromagnetic fields at metallic surfaces, enable the confinement of electromagnetic radiation at subwavelength scales. Plasmonics, the subfield of nanophotonics that studies SPPs, leverages these capabilities to investigate the fundamental processes governing light–matter interactions and to engineer nanoscale optoelectronic devices.

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11

Chuanpu, Liu, Zhu Xinli, Zhang Jiasen, Xu Jun, and Yu Dapeng. "“Seeing” the Resonant SPP Modes Confined in Metal Nanocavity via Cathodoluminescne Spectroscopy." MRS Proceedings 1659 (2014): 83–94. http://dx.doi.org/10.1557/opl.2014.177.

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ABSTRACT:Surface plasmon polaritons (SPPs), which are coupled excitations of electrons bound to a metal-dielectric interface, show great potential for application in future nanoscale photonic systems due to the strong field confinement at the nanoscale, intensive local field enhancement, and interplay between strongly localized and propagating SPPs. The fabrication of sufficiently smooth metal surface with nanoscale feature size is crucial for SPPs to have practical applications. A template stripping (ST) method combined with PMMA as a template was successfully developed to create extraordinar

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12

Usik, Maksim O., Igor V. Bychkov, Vladimir G. Shavrov, and Dmitry A. Kuzmin. "Surface plasmon-polaritons in deformed graphene excited by attenuated total internal reflection." Open Material Sciences 5, no. 1 (2019): 7–11. http://dx.doi.org/10.1515/oms-2019-0004.

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Abstract In the present work we theoretically investigated the excitation of surface plasmon-polaritons (SPPs) in deformed graphene by attenuated total reflection method. We considered the Otto geometry for SPPs excitation in graphene. Efficiency of SPPs excitation strongly depends on the SPPs propagation direction. The frequency and the incident angle of the most effective excitation of SPPs strongly depend on the polarization of the incident light. Our results may open up the new possibilities for strain-induced molding flow of light at nanoscales.

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13

Zhang, Ping, Yin Dong, Xubo Li, et al. "In-Plane Radiation of Surface Plasmon Polaritons Excited by Free Electrons." Micromachines 15, no. 6 (2024): 723. http://dx.doi.org/10.3390/mi15060723.

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Surface plasmon polaritons (SPPs) have become a research hotspot due to their high intensity and subwavelength localization. Through free-electron excitation, a portion of the momentum of moving electrons can be converted into SPPs. Converting highly localized SPPs into a radiated field is an approach with the potential to aid in the development of a light radiation source. Reducing losses of SPPs is currently a critical challenge that needs to be addressed. The lifetime of SPPs in metal films is longer than that in metal blocks. Traditional optical gratings can transform SPPs into radiation t

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14

Liao, Yan-Lin, Yan Zhao, and He-Ping Lu. "A near-transparent 90∘ polarization rotator with an array of L-shaped holes inside a glass cube." Modern Physics Letters B 30, no. 20 (2016): 1650259. http://dx.doi.org/10.1142/s0217984916502596.

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We report a near-transparent 90[Formula: see text] polarization rotator by using a single-layer microstructure. The co-polarization light has been suppressed by using destructive interference. At the same time, the transmission of cross-polarization light has been improved with inference effect between surface plasmon polaritons (SPPs) and localized surface plasmons (LSPs). This efficient polarization rotation mechanism may be very useful in designing polarization rotators.

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15

Zheng, Lei, Urs Zywietz, Andrey Evlyukhin, Bernhard Roth, Ludger Overmeyer, and Carsten Reinhardt. "Experimental Demonstration of Surface Plasmon Polaritons Reflection and Transmission Effects." Sensors 19, no. 21 (2019): 4633. http://dx.doi.org/10.3390/s19214633.

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Special integrated photonic surface structures composed of a dielectric semicircle ridge and a dielectric block placed on a metal substrate are proposed for the investigation of surface plasmon polariton (SPP) reflection and transmission effects. A fabrication method called microscope projection photolithography was employed for the preparation of the structures. Leakage radiation microscopy was applied for the excitation and observation of surface plasmon polaritons (SPPs). It was observed that SPPs exhibit a remarkable decrease in intensity when impinging onto the rectangular dielectric bloc

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16

Yang, Shu, and Zhi Ning Yin. "Surface Plasmon Polaritons Excited by Narrow Beam in Kretschmann Structure." Applied Mechanics and Materials 110-116 (October 2011): 1015–19. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.1015.

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FDTD method is used to simulate SPPs in the Kretschmann structure. It is observed that the surface plasmon wave propagates not only with the attenuation but also with the oscillation. This paper explains the reasons for this phenomenon: the oscillation is caused by coupling of SPPs in the metal - air interface and dielectric - metal interface.

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17

Maity, Niladri Pratap, and Reshmi Maity. "Surface Plasmon Polaritons: Propagation Characteristics of Surface Plasmon Waves on Au and Ag at Optical Wavelengths." Applied Mechanics and Materials 110-116 (October 2011): 764–68. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.764.

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The existence of Surface Plasmons (SPs) is possible only if the metal have a negative dielectric constant at the corresponding optical frequency. In this paper the propagation characteristics of Surface Plasmon Waves (SPWs) which exists on noble metals like gold (Au) and silver (Ag) due to the formation of Surface Plasmon Polaritons (SPPs), have been evaluated theoretically and simulated with the help of MATLAB programming language. The variation of the propagation constant (PC), the attenuation coefficient (AC) and the penetration depth (PD) inside the metals and the dielectric has been deter

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18

Yamagiwa, Kana, Masahiro Shibuta, and Atsushi Nakajima. "Two-photon photoelectron emission microscopy for surface plasmon polaritons at the Au(111) surface decorated with alkanethiolate self-assembled monolayers." Physical Chemistry Chemical Physics 19, no. 21 (2017): 13455–61. http://dx.doi.org/10.1039/c7cp01693j.

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In this study, we have employed dual-color photoelectron emission microscopy (2P-PEEM) to visualize surface plasmon polaritons (SPPs) propagating along a chemically modified organic/metal interface of alkanethiolate self-assembled monolayers formed on Au(111).

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19

Zhang, Tong, and Feng Shan. "Development and Application of Surface Plasmon Polaritons on Optical Amplification." Journal of Nanomaterials 2014 (2014): 1–16. http://dx.doi.org/10.1155/2014/495381.

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Propagation of surface plasmon polaritons (SPPs) along the interface between a metal and a dielectric has attracted significant attention due to its unique optical properties, which has inspired a plethora of fascinating applications in photonics and optoelectronics. However, SPPs suffer from large attenuation because of the ohmic losses in the metal layer. It has become the main bottom-neck problem for the development of high performance plasmonic devices. This limitation can be overcome by providing the material adjacent to the metal with optical gain. In this paper, a review of gain compens

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20

Vest, Benjamin, Marie-Christine Dheur, Éloïse Devaux, et al. "Anti-coalescence of bosons on a lossy beam splitter." Science 356, no. 6345 (2017): 1373–76. http://dx.doi.org/10.1126/science.aam9353.

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Two-boson interference, a fundamentally quantum effect, has been extensively studied with photons through the Hong-Ou-Mandel effect and observed with guided plasmons. Using two freely propagating surface plasmon polaritons (SPPs) interfering on a lossy beam splitter, we show that the presence of loss enables us to modify the reflection and transmission factors of the beam splitter, thus revealing quantum interference paths that do not exist in a lossless configuration. We investigate the two-plasmon interference on beam splitters with different sets of reflection and transmission factors. Thro

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21

Ozaki, Miyu, and Ryoshu Furutani. "Using Surface Plasmon Polaritons to Analyze Flow Rate Distribution Near a Channel Surface." International Journal of Automation Technology 11, no. 5 (2017): 795–99. http://dx.doi.org/10.20965/ijat.2017.p0795.

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Optical energy propagates along metal surfaces as collective oscillations of free electrons when those surfaces are irradiated with optical waves in accordance with the resonant condition. The oscillations with electrical fields are called surface plasmon polaritons (SPPs) and are used in medium sensors. Here, using SPPs, the flow of a liquid–liquid two-phase fluid is visualized, and the flow-rate distribution is derived. A channel on a silver-film surface deposited on a glass slide is filled with an ethanol aqueous solution. SPPs are excited on the silver surface by a helium–neon laser. Then,

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22

Xia, Lingbo, Biao Yang, Qinghua Guo, et al. "Simultaneous TE and TM designer surface plasmon supported by bianisotropic metamaterials with positive permittivity and permeability." Nanophotonics 8, no. 8 (2019): 1357–62. http://dx.doi.org/10.1515/nanoph-2019-0047.

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AbstractSurface plasmon polaritons (SPPs) are surface modes existing at the interface between a metal and a dielectric material. Designer SPPs with a customer-defined property can be supported on the surface of suitably engineered metallic structures. They are important for various applications, ranging from chemical sensing to super-resolution imaging. In conventional systems, SPPs are transverse magnetic (TM) polarized, because of their origin in the collective electron oscillation along the surface. In this work, we show that both transverse electric (TE) and TM designer surface plasmons ca

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23

Liu, Hui, Xiang Bao Cai, Tao Yang, and Yan Na Fan. "A Femtosecond All-Optical Switch Based on Surface Plasmon Polaritons." Advanced Materials Research 798-799 (September 2013): 497–500. http://dx.doi.org/10.4028/www.scientific.net/amr.798-799.497.

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Surface Plasmon Polaritons (SPPs) Propagate along the Interface between Metal and Dielectric, so that Spps can Propagate along the Designed Interface, Spread to the Specified Region and Convert Back to Light Wave. through this Method, Modulated Light can be Guided to Setting Area and the Propagation Direction can be Changed. in this Paper, a Kind of all-Optical Switch Composed of Metallic Isosceles Triangle is Introduced. the Principle of the all-Optical Switch is this. Firstly, the Modulated Light is Converted into Spps in the Metal Triangle at the Bottom Corner. then, Spps Propagate along De

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24

Peña-Ramírez, Aldo, Tingting Zhai, Rafael Salas-Montiel, and Víctor Ruiz-Cortés. "Dynamic Excitation of Surface Plasmon Polaritons with Vector Laguerre–Gaussian Beams." Optics 5, no. 4 (2024): 523–33. http://dx.doi.org/10.3390/opt5040039.

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We investigate the dynamic excitation of surface plasmon polaritons (SPPs) using vector Laguerre–Gauss (LG) beams, which offer unique properties for manipulating the polarization and spatial distribution of light. Our study demonstrates the efficient coupling of SPPs with LG beams, characterized by their azimuthal and radial indices (m,p), as well as polarization distribution type. Numerical simulations reveal that the vector nature of LG beams enables selective excitation of SPPs, depending on the polarization type of the beam. Experimental verification of our simulations is achieved using a

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25

Liang, Yuhan. "Analysis of the Principle and Applications for Surface Plasmon Polariton." Highlights in Science, Engineering and Technology 76 (December 31, 2023): 120–30. http://dx.doi.org/10.54097/30fpq295.

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The integrated optics technology based on Surface Plasmon Polaritons (SPPs) is gradually emerging as a breakthrough for optical devices, owing to its high field localization and strong energy density. Currently, SPP-based technologies, such as optical modulators and wavelength filters, have demonstrated significant application value. However, the research on SPPs is predominantly focused on the visible and near-infrared bands due to difficulties in wavevector matching for excitation, insufficient theoretical investigations of SPPs, and limitations of micro-nanofabrication techniques. Consequen

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26

Yin, Anxiang, Hao Jing, Zhan Wu, et al. "Quantitative Surface Plasmon Interferometry via Upconversion Photoluminescence Mapping." Research 2019 (September 15, 2019): 1–12. http://dx.doi.org/10.34133/2019/8304824.

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Direct far-field visualization and characterization of surface plasmon polaritons (SPPs) are of great importance for fundamental studies and technological applications. To probe the evanescently confined plasmon fields, one usually requires advanced near-field techniques, which is typically not applicable for real-time, high-throughput detecting or mapping of SPPs in complicated environments. Here, we report the utilization of rare-earth-doped nanoparticles to quantitatively upconvert invisible, evanescently confined SPPs into visible photoluminescence emissions for direct far-field visualizat

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27

Molian, Pal, Zhiqun Lin, and Qingze Zou. "Nano-Holes in Silicon Wafers Using Laser-Induced Surface Plasmon Polaritons." Journal of Nanoscience and Nanotechnology 8, no. 4 (2008): 2163–66. http://dx.doi.org/10.1166/jnn.2008.18269.

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Surface Plasmon Polaritons (SPPs) have been explored for a multitude of applications including sub-wavelength lithography, data storage, microscopy and photonics. In this paper, we report the use of SPPs for nanomachining silicon in massively parallel fashion. A Q-switched Nd:YAG laser beam was impinged on gold-thin film deposited, porous alumina membrane (PAM) that contains periodic 2-D array of thousands of nano-holes. The silicon substrate was placed in close proximity with PAM. The formation of SPPs and their coherent interference at the exit of PAM holes created strong nanoscale electrica

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28

Kim, Guhwan, and Myunghyun Lee. "Suppressed Transmission of Long-Range Surface Plasmon Polariton by TE-Induced Edge Plasmon." Micromachines 12, no. 10 (2021): 1198. http://dx.doi.org/10.3390/mi12101198.

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Work on controlling the propagation of surface plasmon polaritons (SPPs) through the use of external stimuli has attracted much attention due to the potential use of SPPs in nanoplasmonic integrated circuits. We report that the excitation of edge plasmon by TE-polarized light passing across gapped-SPP waveguides (G-SPPWs) leads to the suppressed transmission of long-range SPPs (LRSPPs) propagating along G-SPPWs. The induced current density by highly confined edge plasmon is numerically investigated to characterize the extended radiation length of decoupled LRSPPs by the TE-induced edge plasmon

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29

Wang, Cong, Xian Shen, Hongchen Chu, et al. "Realization of broadband coherent perfect absorption of spoof surface plasmon polaritons." Applied Physics Letters 120, no. 17 (2022): 171703. http://dx.doi.org/10.1063/5.0089065.

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In this work, we propose and demonstrate a scheme to realize broadband coherent perfect absorption of spoof surface plasmon polaritons (SPPs) using an ultrathin conductive film vertically placed on a plasmonic metasurface that supports spoof SPPs. When the conductive film possesses an appropriate sheet resistance, two incident coherent beams of spoof SPP waves can be simultaneously absorbed over a broad spectrum. By tuning the phase difference between the two incident beams from 0 to [Formula: see text], the absorption can be gradually changed from near-100% to near-zero, as verified in full-w

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30

Wang, Cong, Xian Shen, Hongchen Chu, et al. "Realization of broadband coherent perfect absorption of spoof surface plasmon polaritons." Applied Physics Letters 120, no. 17 (2022): 171703. http://dx.doi.org/10.1063/5.0089065.

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In this work, we propose and demonstrate a scheme to realize broadband coherent perfect absorption of spoof surface plasmon polaritons (SPPs) using an ultrathin conductive film vertically placed on a plasmonic metasurface that supports spoof SPPs. When the conductive film possesses an appropriate sheet resistance, two incident coherent beams of spoof SPP waves can be simultaneously absorbed over a broad spectrum. By tuning the phase difference between the two incident beams from 0 to [Formula: see text], the absorption can be gradually changed from near-100% to near-zero, as verified in full-w

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31

Wang, Cong, Xian Shen, Hongchen Chu, et al. "Realization of broadband coherent perfect absorption of spoof surface plasmon polaritons." Applied Physics Letters 120, no. 17 (2022): 171703. http://dx.doi.org/10.1063/5.0089065.

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In this work, we propose and demonstrate a scheme to realize broadband coherent perfect absorption of spoof surface plasmon polaritons (SPPs) using an ultrathin conductive film vertically placed on a plasmonic metasurface that supports spoof SPPs. When the conductive film possesses an appropriate sheet resistance, two incident coherent beams of spoof SPP waves can be simultaneously absorbed over a broad spectrum. By tuning the phase difference between the two incident beams from 0 to [Formula: see text], the absorption can be gradually changed from near-100% to near-zero, as verified in full-w

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32

Li, Te, and Er Juan Hao. "Electrical-Pumped Active Plasmonic with InP-Based Quantum Wells." Advanced Materials Research 415-417 (December 2011): 537–40. http://dx.doi.org/10.4028/www.scientific.net/amr.415-417.537.

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The InP-based wafers with InGaAsP multiple Quantum Wells (QWs) were designed for the loss compensation of surface plasmon polaritons (SPPs). Electrical-pumped device was fabricated by conventional III-V processes and e-Beam lithography (EBL) technology. When forward voltage is added on the device, it is observed that the gain of the quantum wells at 1.55μm assist the propagation of SPPs.

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Brescia, Jonathan R., Justin W. Cleary, Evan M. Smith, and Robert E. Peale. "Infrared Propagating Electromagnetic Surface Waves Excited by Induction." MRS Advances 5, no. 35-36 (2019): 1827–36. http://dx.doi.org/10.1557/adv.2019.472.

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AbstractPropagating inhomogeneous electromagnetic waves called surface plasmon polaritons (SPPs) can be excited by free-space beams on corrugated conducting surfaces at resonance angles determined by corrugation period, permittivity, and optical frequency. SPPs are coupled to and co-propagate with surface charge displacements. Complete electrical isolation of individual conducting corrugations prevents the charge displacement necessary to sustain an SPP, such that excitation resonances of traveling SPPs are absent. However, SPPs can be excited via electric induction if a smooth conducting surf

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34

Lee, Hongki, Joel Berk, Aaron Webster, Donghyun Kim, and Matthew R. Foreman. "Label-free detection of single nanoparticles with disordered nanoisland surface plasmon sensor." Nanotechnology 33, no. 16 (2022): 165502. http://dx.doi.org/10.1088/1361-6528/ac43e9.

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Abstract We report sensing of single nanoparticles using disordered metallic nanoisland substrates supporting surface plasmon polaritons (SPPs). Speckle patterns arising from leakage radiation of elastically scattered SPPs provide a unique fingerprint of the scattering microstructure at the sensor surface. Experimental measurements of the speckle decorrelation are presented and shown to enable detection of sorption of individual gold nanoparticles and polystyrene beads. Our approach is verified through bright-field and fluorescence imaging of particles adhering to the nanoisland substrate.

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35

Azam, M., A. Ghaffar, Y. Jamil, and H. N. Bhatti. "Hybrid surface plasmon polariton (SPPs) modes between metal and anisotropic plasma interface." Journal of Ovonic Research 17, no. 6 (2021): 509–17. http://dx.doi.org/10.15251/jor.2021.176.509.

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This manuscript investigates the properties of surface plasmon polaritons (SPPs) at anisotropic plasma metal interface. It has been shown that magnetized plasma surface plasmon waves have unique features such as hybridization nature, the existence of cutoff frequency and the dependence of normalized prorogation constant and prorogation length on plasma parameters such as cyclotron frequencies (𝜔𝑐) and plasma frequency (𝜔𝑝). The influence of plasma features on normalized propagation constant and propagation as the function of frequency under different values of plasma frequency and cyclotron fr

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36

Lin, Hongxiang, Tianfa Liao, Xiaohui Wei, Wenyuan Wang, Juan Du, and Yaoxuan Zhi. "Study of a Graphene Surface Plasmon Polariton-Based Dielectric Laser Accelerator." Photonics 12, no. 4 (2025): 292. https://doi.org/10.3390/photonics12040292.

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Due to their high breakdown threshold and acceleration gradient, dielectric laser accelerators (DLAs) have become an important technical direction of accelerator miniaturization. In this study, an electron accelerator scheme based on graphene surface plasmon polaritons (SPPs) is proposed. The grating was designed to be etched on the silica surface in the simulation, and a layer of graphene was modeled to cover the surface of the medium. The incident laser light in the simulation was configured to be coupled by the grating to generate surface plasmon polaritons (SPPs) on the graphene surface. A

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37

Wang, Yueke, Xinru Shen, and Quansheng Chen. "Tunable plasmon-induced transparency with graphene-sheet structure." Modern Physics Letters B 30, no. 19 (2016): 1650232. http://dx.doi.org/10.1142/s0217984916502328.

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We investigate theoretically and numerically the tunable plasmon-induced transparency (PIT) phenomenon in graphene-sheet system in infrared range. We show that when surface plasmon polaritons (SPPs) propagate along a monolayer graphene sheet with two detuned side-coupled resonators, the PIT-like transmission spectra of SPPs appear. Thanks to the tunable permittivity of graphene by bias voltages, the resonant wavelength of side-coupled resonators can be changed. So the transmission spectra can be tuned dynamically and the tunable PIT phenomenon is achieved. Numerical simulation by finite elemen

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38

Crampton, Kevin T., Alan G. Joly, and Patrick Z. El-Khoury. "Surface plasmon polariton pulse shaping via two-dimensional Bragg grating pairs." Nanophotonics 10, no. 2 (2020): 959–65. http://dx.doi.org/10.1515/nanoph-2020-0522.

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AbstractWe demonstrate control over the spatial and temporal properties of surface plasmon polaritons (SPPs) launched from nanohole arrays in silver. The arrays provide wave vector matching to allow the conversion of free-space photons into counter-propagating SPPs. SPPs launched from multiple arrays interfere at well-defined spatial positions, and the interference fringes form an all-SPP periodic nano-optical grating which evolves in space and time as the SPPs propagate. The spatio-temporal characteristics of the optical grating can be tuned through various nanohole array parameters such as t

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Ioannidis, Thanos, Tatjana Gric, and Edik Rafailov. "The Study of the Surface Plasmon Polaritons at the Interface Separating Nanocomposite and Hypercrystal." Applied Sciences 11, no. 11 (2021): 5255. http://dx.doi.org/10.3390/app11115255.

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Surface plasmon polaritons (SPPs) propagating at the interfaces of composite media possess a number of fascinating properties not emerging in case of conventional SPPs, i.e., at metal-dielectric boundaries. We propose here a helpful algorithm giving rise for investigation of basic features of complex conductivity dependent SPPs at the interface separating nanocomposite and hypercrystal. The main goal of the work is to investigate dispersion of the SPPs propagating at the boundary separating two different media. Aiming to achieve the aforementioned goal that the effective Maxwell Garnett model

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Kaltenecker, Korbinian J., Enno Krauss, Laura Casses, et al. "Mono-crystalline gold platelets: a high-quality platform for surface plasmon polaritons." Nanophotonics 9, no. 2 (2020): 509–22. http://dx.doi.org/10.1515/nanoph-2019-0362.

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AbstractWe use mono-crystalline gold platelets with ultra-smooth surfaces and superior plasmonic properties to investigate the formation of interference patterns caused by surface plasmon polaritons (SPPs) with scattering-type scanning near-field microscopy at 521 and 633 nm. By applying a Fourier analysis approach, we can identify and separate several signal channels related to SPPs launched and scattered by the atomic force microscopy tip and the edges of the platelet. Especially at the excitation wavelength of 633 nm, we can isolate a region in the center of the platelets where we find only

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Fang, Jimi, Sisi Yang, Xuefang Hu, Changgui Lu, and Mengjia Lu. "An All-Optical Plasmon Modulator with a High Extinction Ratio Based on the Resonance of a Silver Block." Photonics 12, no. 7 (2025): 646. https://doi.org/10.3390/photonics12070646.

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Conventional all-optical modulators based on surface plasmon polaritons (SPPs) primarily utilize the nonlinear effect of a given material for modulation. Their performance is heavily dependent on the optical properties of the dielectric materials used and requires high pumping power. However, manipulating SPPs by controlling electron concentrations offers a material-independent approach suitable for all-optical modulators. In this paper, we propose a hybrid gold–ITO–silver block structure integrated within a Mach–Zehnder interferometer configuration to address this problem. The gold–ITO interf

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Liu, Liang, Shuai Zhou, Kaipeng Liu, Shiwei Dai, and Lixin Ge. "Mechanical sensors based on surface plasmon polaritions of strained graphene." Journal of Physics D: Applied Physics 58, no. 11 (2025): 115104. https://doi.org/10.1088/1361-6463/ada6c3.

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Abstract Graphene sheets support surface plasmon polaritons (SPPs) in the terahertz and infrared regimes, resulting from the collective oscillation of Dirac electrons with excited photons. The SPPs in graphene under external strains exhibit anisotropic properties, varying with the magnitude and direction of mechanical deformation. In this study, we propose an mechanical sensor based on the strain-dependent absorption spectrum of infrared light. The setup consists of a monolayer strained graphene sheet suspended over a grating silver substrate. Under a normal incidence, a strong absorption for

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Tang, Wenxuan, and Tie Jun Cui. "The engineering way from spoof surface plasmon polaritons to radiations." EPJ Applied Metamaterials 6 (2019): 9. http://dx.doi.org/10.1051/epjam/2019007.

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In recent years, spoof surface plasmon polaritons (SPPs) have been investigated at microwave and THz frequencies for engineering purpose. Due to momentum mismatch, the SPP mode cannot be directly converted from the spatial mode, and vice versa. Stimulating schemes have been developed to transform spatial waveguide modes to SPP modes with high efficiency. On the other hand, the question may arise that, is it possible to transform the propagating SPP waves to directive radiating waves for wireless communication? In view of this, this paper introduces the new-concept antennas based on spoof SPPs

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Mathew, Gishamol, K. Anamika, and P. G. Louie Frobel. "Realization Of Long-Range Surface Plasmon Polaritons at Metal/Graphene Waveguides on a Biaxial Substrate." Journal of Physics: Conference Series 3038, no. 1 (2025): 012016. https://doi.org/10.1088/1742-6596/3038/1/012016.

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Abstract Surface Plasmon Polaritons (SPPs) are coherent electron-plasma oscillations at the interface between a conductor and a dielectric and are promising candidates to overcome the diffraction limit of light in plasmon-waveguides. Noble metals are widely used for SPP modes in the visible range. However, these metal-based optical devices show a weak electromagnetic field confinement and strong transmission losses in the mid-infrared region, making it insufficient for SPP excitation in this wavelength region. In this paper, we studied long-range surface plasmon propagation on graphene/SiO2 an

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Gerasimov, Vasiliy Valerievich, Oleg Eduardovich Kameshkov, Alexey Konstantinovich Nikitin, et al. "First Experimental Demonstration of the Wide-Field Amplitude Surface Plasmon Resonance Microscopy in the Terahertz Range." Photonics 10, no. 7 (2023): 723. http://dx.doi.org/10.3390/photonics10070723.

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We have demonstrated the wide-field amplitude surface plasmon resonance (SPR) microscopy technique in the terahertz (THz) range. A Zeonex polymer prism was utilized to excite surface plasmon polaritons (SPPs) through attenuated total reflection (ATR) in an Otto configuration. Coherent quasimonochromatic radiation with a wavelength of approximately 197 μm, generated by the Novosibirsk free electron laser, was employed. Our results indicate that the SPR microscopy method is applicable for investigating the planar surfaces of semiconductors at THz frequencies, provided that the SPPs’ cutoff frequ

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O’Toole, Silas, and Dominic Zerulla. "Propagating Surface Plasmon Polaritons on Systems with Variable Periodicity and Variable Gap-Depth." Materials 13, no. 21 (2020): 4753. http://dx.doi.org/10.3390/ma13214753.

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Here we report on both simulations and experimental results on propagation and transmission of Surface Plasmon Polaritons (SPPs) through tunable gaps which were initially motivated by excitation of SPPs on a periodic arrangement of nanowires with mechanically tuneable periodicity. The general ability to vary the two-dimensional lattice constant results in an additional degree of freedom, permitting excitation of SPP’s for any combination of wavelength and angle of incidence within the tuning range of the system. Fabrication of the tunable system includes a transition from a continuously metal

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Wang, Yindi, Hongxia Liu, Shulong Wang, Ming Cai, Haifeng Zhang, and Yanbin Qiao. "Electrical Phase Control Based on Graphene Surface Plasmon Polaritons in Mid-infrared." Nanomaterials 10, no. 3 (2020): 576. http://dx.doi.org/10.3390/nano10030576.

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Phase modulation of light is the core of many optoelectronic applications, such as electro-optic switch, sensors and modulators. Graphene Surface plasmon polaritons (SPPs) exhibit unique properties in phase modulation including dynamic tunability, a small driving voltage and small device size. In this paper, the novel phase modulation capability of graphene SPPs in mid-infrared are confirmed through theory and simulation. The results show that graphene SPPs can realize continuous tuning of the phase shift at multiple wavelengths in mid-infrared, covering the phase range from 0° to 360°. Based

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Huang, Yao, Jingjing Zhang, Bo Qiang, Zhengji Xu, Qijie Wang, and Yu Luo. "Guiding and routing surface plasmons with transformation-invariant metamaterials." Journal of Optics 24, no. 1 (2021): 015003. http://dx.doi.org/10.1088/2040-8986/ac38c5.

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Abstract Rough metallic surfaces cause severe scattering to surface plasmon polaritons (SPPs), thereby limiting SPP transmission efficiency. Here, we propose a general scheme to design ultracompact plasmonic routers that can confine and guide SPPs on an arbitrarily shaped rough surface. Our strategy makes use of recently proposed transformation-invariant metamaterials (TIMs). To illustrate the advantages of this approach, we perform finite-element simulations, showing that the performance of the designed surface wave router is robust against the change in thickness. As a result, a λ/6 thick TI

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Sassi, Imed Ahmed. "Effects of relief gratings, light characteristics and material properties to the emission resonance region." JOURNAL OF ADVANCES IN PHYSICS 5, no. 3 (2014): 837–44. http://dx.doi.org/10.24297/jap.v5i3.1874.

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We present numerical simulations in order to investigate the coupling of the incident radiation to Surface Plasmon polaritons (SPPs) by metallic relief gratings. When the frequency of the SPPs is coincident with the electromagnetic waves, there is a strong absorption of the electromagnetic waves. This phenomenon is called surface Plasmon resonance (SPR). The effects of surface materials, characteristics of incident light and the geometrical shapes on the SPR are studied by using the rigorous coupled-wave algorithm (RCWA).Â The results reveal that a peak of high emissivity is obtained for Au co

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MYNBAEV, DJAFAR K., and VITALY SUKHARENKO. "WDM DEMULTIPLEXING BY USING SURFACE PLASMON POLARITONS." International Journal of High Speed Electronics and Systems 20, no. 01 (2011): 51–61. http://dx.doi.org/10.1142/s0129156411006404.

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The volume of telecommunications traffic keeps growing at an exponential rate. The optical-communications industry, the linchpin of modern telecommunications, in its quest of keeping up with this growth simply must increase the number of wavelengths in the wavelength-division multiplexing (WDM) configuration. The result of this increase would mean, too, that the number of transmitters and receivers that could be placed on one board would increase as well; hence, the density of their packaging would come to micro- and even nano-scale. At the receiver end, which we will consider in this paper, m

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