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Routing of Deep-Subwavelength Optical Beams and Images without Refl ection and Diffraction Using Infi nitely Anisotropic Metamaterials
Deep-Subwavelength Optical Beams Images without nitely Anisotropic
2013/8/7
Many photonic structures, including waveguides, lenses, and photonic bandgap materials, benefi t greatly from the large index contrast provided by such media.
Deep subwavelength plasmonic waveguide switch in double graphene layer structure
Deep subwavelength plasmonic waveguide switch double graphene layer structure
2013/8/7
Graphene provides excellent prospects of the dynamic tunability, low propagation loss, and extreme mode confinement for plasmonic excitations in the infra-red and terahertz frequencies.We show t...
Deep-Subwavelength Focusing and Steering of Light in an Aperiodic Metallic Waveguide Array
Deep-Subwavelength Focusing Light Aperiodic Metallic Waveguide Array
2009/8/10
We consider an aperiodic array of coupled metallic waveguides with varying subwavelength widths.For an incident plane wave, we numerically demonstrate that a focus of as small as one-hundredth of a wa...
Enlarging the bandwidth of nanoscale propagating plasmonic modes in deep-subwavelength cylindrical holes
nanoscale propagating plasmonic modes deep-subwavelength cylindrical holes
2007/8/10
Subwavelength cylindrical holesin optically thick metallic films alwayssupport a propagating HE11 mode near the surface plasmon frequency, regardless of how small the holes are. For holes ᤙ...