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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...
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...
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...
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...