搜索结果: 1-15 共查到“plasmons”相关记录15条 . 查询时间(0.078 秒)
Graphene surface plasmons at the near-infrared optical regime
Graphene surface plasmons near-infrared optical regime
2015/8/6
Graphene has been identified as an emerging horizon for a nanoscale photonic platform because the Fermi level of intrinsic graphene can be engineered to support surface plasmons (SPs). The current sol...
Quantum plasmonics: second-order coherence of surface plasmons launched by quantum emitters into a metallic film
Quantum plasmonics second-order coherence of surface plasmons quantum emitters Optics
2012/5/31
We address the issue of the second-order coherence of single surface plasmons launched by a quantum source of light into extended gold films. The quantum source of light is made of a scanning fluoresc...
Manipulating infrared photons using plasmons in transparent graphene superlattices
Manipulating infrared photons plasmons transparent graphene superlattices
2012/2/27
Superlattices are artificial periodic nanostructures which can control the flow of electrons. Their operation typically relies on the periodic modulation of the electric potential in the direction of ...
Gate-tuning of graphene plasmons revealed by infrared nano-imaging
Gate-tuning graphene plasmons revealed infrared nano-imaging
2012/2/24
Surface plasmons are collective oscillations of electrons in metals or semiconductors enabling confinement and control of electromagnetic energy at subwavelength scales. Rapid progress in plasmonics h...
Optical nano-imaging of gate-tuneable graphene plasmons
Optical nano-imaging of gate-tuneable graphene plasmons
2012/2/24
The ability to manipulate optical fields and the energy flow of light is central to modern information and communication technologies, as well as quantum information processing schemes. However, as ph...
We present a study of the possible plasmon excitations that can occur in systems where strong superconductivity is present. In these systems the plasmon energy is comparable to, or smaller than the pa...
Excitation of plasmons in two-dimensional electron gas with defects by microwaves: Wake-field method
plasmons two-dimensional electron gas microwaves Wake-field method
2011/8/17
Abstract: We develop an analytical method to find plasmons generated by microwaves in a two-dimensional electron gas with defects. The excitations are expressed in terms of the wake field of a charged...
Leakage radiation microscopy of surface plasmons launched by a nanodiamond-based tip
nanodiamonds, nitrogen-vacancy (NV) color centers, plasmonics
2011/9/13
Leakage-radiation microscopy of a thin gold film demonstrates the ability of an ensemble of fluorescent diamond nanoparticles attached onto the apex of an optical tip to serve as an efficient near-fie...
Surface Plasmons in Thin Metallic Films for Case Antisymmetrical Configuration of Magnetic Field
degenerate collisional plasma surface plasma oscillations thin metallic film
2011/1/21
For the first time it is shown that for thin metallic films thickness of which does not exceed thickness of skin – layer, the problem of description of surface plasma oscillations allows analytical so...
Plasmons and Interband Transitions of Ca$_{11}$Sr$_3$Cu$_{24}$O$_{41}$ investigated by Electron Energy-Loss Spectroscopy
Plasmons and Interb Transitions
2010/11/24
Electron energy-loss spectroscopy studies have been performed in order to get a deeper insight
into the electronic structure and elementary excitations of the two - leg ladder system
Ca11Sr3Cu24O41....
Terahertz surface plasmons in optically pumped graphene structures
Terahertz surface plasmons optically pumped graphene structures
2010/11/17
We analyze the surface plasmons (SPs) propagating along the optically pumped single-graphene
layer (SGL) and multiple-graphene layer (MGL) structures. It is shown that at sufficiently strong optical ...
Catalysts are materials that accelerate chemical reactions without being consumed themselves. They play a vital role in the chemical industry and are also used to remove harmful substances from vehicl...
Demonstration of Quadrature Squeezed Surface-Plasmons in a Gold Waveguide
Quadrature Squeezed Surface-Plasmons Gold Waveguide
2010/4/9
We report on the efficient generation, propagation, and re-emission of squeezed long-range surface-plasmon polaritons (SPPs) in a gold waveguide. Squeezed light is used to excite the non-classical SPP...
Resonant Excitation of Terahertz Surface Plasmons in Subwavelength Metal Holes
Terahertz Surface Plasmons Subwavelength Metal Holes
2010/12/6
We present a review of experimental studies of resonant excitation of terahertz surface plasmons in two-dimensional arrays of subwavelength metal holes. Resonant transmission efficiency higher than un...
Design of midinfrared photodetectors enhanced by surface plasmons on grating structures
photodetectors enhanced surface plasmons grating structures
2015/8/11
The authors propose to exploit the unique properties of surface plasmons to enhance the signal-to-noise ratio of midinfrared photodetectors. The proposed photodetector consists of a slit in a metallic...