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Transverse Electromagnetic Modes in Aperture Waveguides Containing a Metamaterial with Extreme Anisotropy
Transverse Electromagnetic Modes Aperture Waveguides Containing Metamaterial Extreme Anisotropy
2015/8/10
We use metamaterials with extreme anisotropy to solve the fundamental problem of light transport in deep subwavelength apertures. By filling a simply connected aperture with an anisotropic mediu...
Modes of Subwavelength Plasmonic Slot Waveguides
Modes Subwavelength Plasmonic Slot Waveguides
2015/8/10
We investigate the properties of the modes that are supported by 3-D subwavelength plasmonic slot waveguides. We first show that the fundamental mode that is supported by a symmetric plasmonic s...
Guided modes supported by plasmonic films with a periodic arrangement of subwavelength slits
periodic arrangement subwavelength slits
2015/8/11
We calculate the guided band diagram of a metallic film with a one-dimensional periodic arrangement of cut-through subwavelength slits. We find that this system supports two distinct types...
We generalize the concept of principal states of polarization and prove the existence of principal modes in multimode waveguides. Principal modes do not suffer from modal dispersion to first order of ...
Propagating modes in subwavelength cylindrical holes
Propagating modes subwavelength cylindrical holes
2015/8/11
We analyze subwavelength cylindrical holes in an optically thick metallic film with the metal described by a plasmonic model. We emphasize that such holes always support propagating modes near t...
Temporal Coupled-Mode Theory and the Presence of Non-Orthogonal Modes in Lossless Multimode Cavities
Electromagnetic coupling fi lters optical switches resonance
2015/8/11
We develop a general temporal coupled-mode theory for multimode optical resonators. This theory incorporates a formal description of a direct transmission pathway, and is therefore capable of describi...
Guided and defect modes in periodic dielectric waveguides
Guided defect modes periodic dielectric waveguides
2015/8/12
The nature of guided modes and defect modes in periodic dielectric waveguides is investigated computationally for model systems in two dimensions. It is shown that defect states that exist within the ...