Journal ArticleDOI
Long-range surface plasmon polaritons
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TLDR
Long-range surface plasmon polaritons (LRSPPs) are optical surface waves that propagate along a thin symmetric metal slab or stripe over an appreciable length as discussed by the authors.Abstract:
Long-range surface plasmon polaritons (LRSPPs) are optical surface waves that
propagate along a thin symmetric metal slab or stripe over an appreciable length
(centimeters). Vigorous interest in LRSPPs has stimulated a large number of studies
over three decades spanning a broad topical landscape. Naturally, a good segment of
the literature covers fundamentals such as modal characteristics, excitation, and
field enhancement. But a large portion also involves the LRSPP in diverse phenomena,
including nonlinear interactions, molecular scattering, fluorescence,
surface-enhanced Raman spectroscopy, transmission through opaque metal films and
emission extraction, amplification and lasing, surface characterization, metal
roughness and islandization, optical interconnects and integrated structures,
gratings, thermo-, electro- and magneto-optics, and (bio)chemical sensing. Despite
the breadth and depth of the research conducted to date, much remains to be
uncovered, and the scope for future investigations is broad. We review the properties
of the LRSPP, survey the literature involving this wave, and discuss the prospects
for applications. Avenues for further work are suggested.read more
Citations
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Journal ArticleDOI
Surface plasmon–polariton amplifiers and lasers
Pierre Berini,Israel De Leon +1 more
TL;DR: In this article, the compensation of loss and amplification of surface plasmons in waveguides and resonators is discussed, and future challenges, including how to overcome the large losses present in plasmonic systems that offer strong electromagnetic confinement, are also discussed.
Journal ArticleDOI
Surface Plasmon Resonance Clinical Biosensors for Medical Diagnostics
TL;DR: This Perspective reviews the current status of the field, showcasing a series of early successes in the application of SPR for clinical analysis and detailing aseries of considerations regarding sensing schemes, exposing issues with analysis in biofluids, and comparing SPR with ELISA, while providing an outlook of the challenges currently associated with plasmonic materials, instrumentation, microfluidics, bioreceptor selection, selection of aclinical market, and validation of a clinical assay.
Journal ArticleDOI
Amplification of long-range surface plasmons by a dipolar gain medium
Israel De Leon,Pierre Berini +1 more
TL;DR: In this article, the authors provided the first direct measurement of gain in propagating plasmons using the long-range surface plasmon polariton supported by a symmetric metal stripe waveguide that incorporates optically pumped dye molecules in solution as the gain medium.
Journal ArticleDOI
Surface plasmon polaritons: physics and applications
Junxi Zhang,Lide Zhang,Wei Xu +2 more
TL;DR: The surface plasmon polaritons (SPPs) as discussed by the authors are electromagnetic excitations existing at the interface between a metal and a dielectric material, and they have been used in many applications, such as waveguides, sources, near-field optics, surfaceenhanced Raman spectroscopy, data storage, solar cells, chemical sensors and biosensors.
Journal ArticleDOI
Nonlocal optical response in metallic nanostructures
TL;DR: The nonlocal hydrodynamic model and the recently introduced generalized nonlocal optical response (GNOR) model are thoroughly presented and the influence of nonlocal response on plasmonic excitations is studied in key metallic geometries.
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