Results 41 to 50 of about 13,320 (259)

Proving Surface Plasmons in Graphene Nanoribbons Organized as 2D Periodic Arrays and Potential Applications in Biosensors

open access: yesChemosensors, 2022
Surface-plasmon-based biosensors have become excellent platforms for detecting biomolecular interactions. While there are several methods to exciting surface plasmons, the major challenge is improving their sensitivity.
Talia Tene   +5 more
doaj   +1 more source

Graphene Transverse Electric Surface Plasmon Detection using Nonreciprocity Modal Discrimination

open access: yes, 2016
We present a magnetically biased graphene-ferrite structure discriminating the TE and TM plasmonic modes of graphene. In this structure, the graphene TM plasmons interact reciprocally with the structure.
Caloz, Christophe, Chamanara, Nima
core   +1 more source

Tunable plasmonic enhancement of light scattering and absorption in graphene-coated subwavelength wires [PDF]

open access: yes, 2015
The electromagnetic response of subwavelength wires coated with a graphene monolayer illuminated by a linearly polarized plane waves is investigated. The results show that the scattering and extintion cross-sections of the coated wire can be dramatically
Cuevas, Mauro   +2 more
core   +2 more sources

Graphene's Plasmon Prospects [PDF]

open access: yesScience, 2012
Applied Physics The length scales pertaining in optics and nanoelectronic circuitry differ by orders of magnitude. Combining the two offers the potential of exploiting the ultimate in transmission speed (the speed of light) with the tens of nanometers scale available to state-of-the-art ...
openaire   +1 more source

Hot plasmons make graphene shine

open access: yesNature Materials, 2021
Bright hot plasmon emission is observed in graphene due to the ultrafast relaxation of hot carriers that were excited by femtosecond laser pulses of visible light.
Frank H. L. Koppens, Klaas-Jan Tielrooij
openaire   +3 more sources

Trapping and guiding surface plasmons in curved graphene landscapes

open access: yes, 2015
We demonstrate that graphene placed on top of structured substrates offers a novel approach for trapping and guiding surface plasmons. A monolayer graphene with a spatially varying curvature exhibits an effective trapping potential for graphene plasmons ...
Khanikaev, Alexander B.   +4 more
core   +1 more source

Drift-Induced Unidirectional Graphene Plasmons [PDF]

open access: yesACS Photonics, 2018
Nonreciprocal photonic devices enable "one-way" light flows and are essential building blocks of optical systems. Here, we investigate an alternative paradigm to break reciprocity and achieve unidirectional subwavelength light propagation fully compatible with modern all-photonic highly-integrated systems.
Tiago A. Morgado, Mário G. Silveirinha
openaire   +2 more sources

Enhancement of near-field radiative heat transfer via multiple coupling of surface waves with graphene plasmon

open access: yesAIP Advances, 2017
Coated silicon carbide (SiC) thin films can efficiently enhance near-field radiative heat transfer among metamaterials. In this study, the near-field heat transfer among graphene–SiC–metamaterial (GSM) multilayer structures was theoretically investigated.
Ting Zhou   +7 more
doaj   +1 more source

Investigating factors affecting loss reduction in graphene-based plasmonic structures [PDF]

open access: yesJournal of Optoelectronical Nanostructures
In graphene-based plasmonic structures, the path length traveled by surface plasmon polaritons (SPP) or the propagation length of plasmons is very important.
fereshte bagheri
doaj   +1 more source

Tunable nonlinear graphene metasurfaces

open access: yes, 2015
We introduce the concept of nonlinear graphene metasurfaces employing the controllable interaction between a graphene layer and a planar metamaterial. Such hybrid metasurfaces support two types of subradiant resonant modes, asymmetric modes of structured
Khanikaev, Alexander B.   +3 more
core   +1 more source

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