Nonlocal ponderomotive nonlinearity in plasmonics.
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The dispersion relations for the nonlinear propagation of high-intensity surface plasmon polaritons are calculated, predicting a nonlinearity-induced cutoff and vanishing group velocity.Abstract:
We analyze an inherent nonlinearity of surface plasmon polaritons at the interface of Fermi-Dirac metal plasma, stemming from the depletion of electron density in high-intensity regions. The derived optical nonlinear coefficients are comparable with the experimental values for metals. We calculate the dispersion relations for the nonlinear propagation of high-intensity surface plasmon polaritons, predicting a nonlinearity-induced cutoff and vanishing group velocity.read more
Citations
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Nanoplasmonics: past, present, and glimpse into future
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The third-order nonlinear optical susceptibility of gold
TL;DR: In this paper, reported measured measured values of the third-order nonlinear optical susceptibility χð3Þ of bulk gold were analyzed and the authors ascribe this behavior to the fact that the first two processes respond only to instantaneous nonlinearities, whereas the nonlinear refractive index has a contribution from the much stronger but much slower Fermi-smearing mechanism, which has a response time of the order of picoseconds.
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Nano-plasmonic antennas in the near infrared regime
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Nonlinearly coupled localized plasmon resonances: Resonant second-harmonic generation
Pavel Ginzburg,Alexey V. Krasavin,Yannick Sonnefraud,Antony Murphy,Robert Pollard,Stefan A. Maier,Anatoly V. Zayats +6 more
TL;DR: In this paper, the second-order optical nonlinearity is derived from the hydrodynamic description of electron plasma and originates from the presence of material interfaces in the case of small metal particles.
References
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Journal ArticleDOI
Surface plasmon subwavelength optics
TL;DR: By altering the structure of a metal's surface, the properties of surface plasmons—in particular their interaction with light—can be tailored, which could lead to miniaturized photonic circuits with length scales that are much smaller than those currently achieved.
Journal ArticleDOI
Probing Single Molecules and Single Nanoparticles by Surface-Enhanced Raman Scattering
Shuming Nie,Steven R. Emory +1 more
TL;DR: In this article, surface-enhanced Raman scattering was used to detect single molecules and single nanoparticles at room temperature with the use of surface enhanced Raman, and the intrinsic Raman enhancement factors were on the order of 10 14 to 10 15, much larger than the ensemble-averaged values derived from conventional measurements.
Book
Plasmonics: Fundamentals and Applications
TL;DR: In this paper, the authors discuss the role of surface plasmon polaritons at metal/insulator interfaces and their application in the propagation of surfaceplasmon waveguides.
Journal ArticleDOI
Negative index of refraction in optical metamaterials.
Vladimir M. Shalaev,Wenshan Cai,Uday K. Chettiar,Hsiao Kuan Yuan,Andrey K. Sarychev,Vladimir P. Drachev,Alexander V. Kildishev +6 more
TL;DR: A double-periodic array of pairs of parallel gold nanorods is shown to have a negative refractive index in the optical range, which results from the plasmon resonance in the pairs of nanorod for both the electric and the magnetic components of light.
Book
The propagation of electromagnetic waves in plasmas.
TL;DR: In this paper, an open-diagram technique is introduced which simplifies the calculation of absorptive parts of the conductivity tensor for long-wavelength electromagnetic waves in uniform, weakly interacting plasmas near equilibrium in the absence of external magnetic fields.