2010
DOI: 10.1103/physrevb.81.085426
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Long-range surface plasmons in dielectric-metal-dielectric structure with highly anisotropic substrates

Abstract: We present a theoretical study of long-range surface plasmons propagating in a thin metallic film clad between two identical uniaxial anisotropic dielectric crystals. We show that the proper orientation of the optical axis of the crystal with respect to the metal surface enhances the propagation length of surface plasmons. Since the proper orientation depends on surface plasmon frequency, we give the results for the propagation length in a wide range of frequencies, including the telecommunication region. To i… Show more

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Cited by 32 publications
(11 citation statements)
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“…Nagaraj and Krokhin investigated long-range SPPs in dielectric-metal-dielectric structure with anisotropic substrates [9], but only transverse magnetic (TM) waves for the case of the optic axis perpendicular to the plane of the interface were considered. Liscidini and Sipe conducted a theoretical study of SPPs in a configuration in which a metal layer is on top of an anisotropic dielectric [10] and discovered the existence of quasiguided SPPs with numerical demonstration of the coupling of a TM-polarized incident beam to such SPP in the Kretschmann configuration at surface plasmon resonance.…”
Section: Introductionmentioning
confidence: 99%
“…Nagaraj and Krokhin investigated long-range SPPs in dielectric-metal-dielectric structure with anisotropic substrates [9], but only transverse magnetic (TM) waves for the case of the optic axis perpendicular to the plane of the interface were considered. Liscidini and Sipe conducted a theoretical study of SPPs in a configuration in which a metal layer is on top of an anisotropic dielectric [10] and discovered the existence of quasiguided SPPs with numerical demonstration of the coupling of a TM-polarized incident beam to such SPP in the Kretschmann configuration at surface plasmon resonance.…”
Section: Introductionmentioning
confidence: 99%
“…The next target of investigation may be the experimental verification of interesting properties of SPPs at a metal-anisotropic dielectric interface predicted by recent theoretical analyses, such as the polarization hybridization 8 and the long propagation lengths. 7,10 …”
Section: Discussionmentioning
confidence: 99%
“…Under this assumption the propagation of SPPs for a given frequency is isotropic, i.e., the magnitude of the in-plane wave vector of a SPP is independent of its direction. However, recent theoretical studies [7][8][9][10][11] predict that interesting novel properties of SPPs emerge when the dielectric is optically anisotropic. The angle between the SPP propagation and the optical axis of the anisotropic dielectric comes into play and the magnitude of the SPP in-plane wave vector becomes a function of the angle.…”
Section: Introductionmentioning
confidence: 99%
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“…This is the basis of their peculiar properties. The confinement of the electromagnetic wave quite below the classical diffraction limit and a favorably long propagation length are the most important for applications in engineered nanostructures [36,37]. SPPs can be exploited to efficiently transfer energy, outdoing other non-collective classical electronic transport phenomena, such as thermal or electric conduction.…”
Section: Metallic Cones and Plasmon Couplingmentioning
confidence: 99%