Search Results - "Krenn, Joachim"

Electron-energy-loss spectra of plasmonic nanoparticles by Hohenester, Ulrich, Ditlbacher, Harald, Krenn, Joachim R

“…We investigate electron-energy-loss spectroscopy (EELS) on metallic nanoparticles, through simulations, and provide a comprehensive comparison between EELS and…”
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Dark Plasmonic Breathing Modes in Silver Nanodisks by Schmidt, Franz-Philipp, Ditlbacher, Harald, Hohenester, Ulrich, Hohenau, Andreas, Hofer, Ferdinand, Krenn, Joachim R

“…We map the complete plasmonic spectrum of silver nanodisks by electron energy loss spectroscopy and show that the mode which couples strongest to the electron…”
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Morphing a Plasmonic Nanodisk into a Nanotriangle by Schmidt, Franz P, Ditlbacher, Harald, Hofer, Ferdinand, Krenn, Joachim R, Hohenester, Ulrich

“…We morph a silver nanodisk into a nanotriangle by producing a series of nanoparticles with electron beam lithography. Using electron energy loss spectroscopy…”
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Ultrafast Strong-Field Photoemission from Plasmonic Nanoparticles by Dombi, Péter, Hörl, Anton, Rácz, Péter, Márton, István, Trügler, Andreas, Krenn, Joachim R, Hohenester, Ulrich

“…We demonstrate the ultrafast generation of electrons from tailored metallic nanoparticles and unravel the role of plasmonic field enhancement in this process…”
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Universal dispersion of surface plasmons in flat nanostructures by Schmidt, Franz-Philipp, Ditlbacher, Harald, Hohenester, Ulrich, Hohenau, Andreas, Hofer, Ferdinand, Krenn, Joachim R.

“…Dimensionality has a significant impact on the optical properties of solid-state nanostructures. For example, dimensionality-dependent carrier confinement in…”
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Transient absorption microscopy setup with multi-ten-kilohertz shot-to-shot subtraction and discrete Fourier analysis by Schwarzl, Robert, Heim, Pascal, Schiek, Manuela, Grimaldi, Dario, Hohenau, Andreas, Krenn, Joachim R., Koch, Markus

“…Recording of transient absorption microscopy images requires fast detection of minute optical density changes, which is typically achieved with…”
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Coupling Silver Iodide Emitters to Aluminum Plasmons by Talebi, Razieh, Ditlbacher, Harald, Krenn, Joachim R, Hohenau, Andreas

“…Silver iodide (AgI) is an efficient blue emitter that is easily synthesized and nanostructured. We investigate the coupling of AgI to plasmon modes, choosing…”
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Measurement and Reduction of Damping in Plasmonic Nanowires by Kusar, Primoz, Gruber, Christian, Hohenau, Andreas, Krenn, Joachim R

“…We report on a spectroscopic study of surface plasmon damping and group velocity in polycrystalline silver and gold nanowires. By comparing to…”
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The Role of Particle Size in the Dispersion Engineering of Plasmonic Arrays by Tretnak, Veronika, Hohenester, Ulrich, Krenn, Joachim R, Hohenau, Andreas

“…Grazing diffraction orders on metal gratings give rise to peculiar optical effects that were contemplated by Wood, Rayleigh, and Fano. With plasmonic…”
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Silver nanowires as surface plasmon resonators by DITLBACHER, Harald, HOHENAU, Andreas, WAGNER, Dieter, KREIBIG, Uwe, ROGERS, Michael, HOFER, Ferdinand, AUSSENEGG, Franz R, KRENN, Joachim R

“…We report on chemically prepared silver nanowires (diameters around 100 nm) sustaining surface plasmon modes with wavelengths shortened to about half the value…”
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Förster-type resonant energy transfer influenced by metal nanoparticles by Reil, Frank, Hohenester, Ulrich, Krenn, Joachim R, Leitner, Alfred

“…We show experimentally and numerically that Forster-type resonant energy transfer between molecules strongly depends on the interaction with plasmonic…”
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High-resolution biosensor based on localized surface plasmons by Piliarik, Marek, Sípová, Hana, Kvasnička, Pavel, Galler, Nicolle, Krenn, Joachim R, Homola, Jiří

“…We report on a new biosensor with localized surface plasmons (LSP) based on an array of gold nanorods and the total internal reflection imaging in polarization…”
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Fundamental Limit of Plasmonic Cathodoluminescence by Schmidt, Franz-Philipp, Losquin, Arthur, Horák, Michal, Hohenester, Ulrich, Stöger-Pollach, Michael, Krenn, Joachim R

“…We use cathodoluminescence (CL) spectroscopy in a transmission electron microscope to probe the radial breathing mode of plasmonic silver nanodisks. A…”
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Measurement of Nanoplasmonic Field Enhancement with Ultrafast Photoemission by Rácz, Péter, Pápa, Zsuzsanna, Márton, István, Budai, Judit, Wróbel, Piotr, Stefaniuk, Tomasz, Prietl, Christine, Krenn, Joachim R, Dombi, Péter

“…Probing nanooptical near-fields is a major challenge in plasmonics. Here, we demonstrate an experimental method utilizing ultrafast photoemission from…”
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3D Imaging of Gap Plasmons in Vertically Coupled Nanoparticles by EELS Tomography by Haberfehlner, Georg, Schmidt, Franz-Philipp, Schaffernak, Gernot, Hörl, Anton, Trügler, Andreas, Hohenau, Andreas, Hofer, Ferdinand, Krenn, Joachim R, Hohenester, Ulrich, Kothleitner, Gerald

“…Plasmonic gap modes provide the ultimate confinement of optical fields. Demanding high spatial resolution, the direct imaging of these modes was only recently…”
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Local refractive index sensitivity of plasmonic nanoparticles by Piliarik, Marek, Kvasnička, Pavel, Galler, Nicolle, Krenn, Joachim R, Homola, Jiří

“…We report on an experimental characterization of the sensitivity of localized surface plasmons (LSP) to local changes in the refractive index at a nanometer…”
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Few-Cycle Surface Plasmon Polaritons by Komatsu, Kazma, Pápa, Zsuzsanna, Jauk, Thomas, Bernecker, Felix, Tóth, Lázár, Lackner, Florian, Ernst, Wolfgang E., Ditlbacher, Harald, Krenn, Joachim R., Ossiander, Marcus, Dombi, Péter, Schultze, Martin

“…Surface plasmon polaritons (SPPs) can confine and guide light in nanometer volumes and are ideal tools for achieving electric field enhancement and the…”
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Edge Mode Coupling within a Plasmonic Nanoparticle by Schmidt, Franz-Philipp, Ditlbacher, Harald, Hohenau, Andreas, Hohenester, Ulrich, Hofer, Ferdinand, Krenn, Joachim R

“…The coupling of plasmonic nanoparticles can strongly modify their optical properties. Here, we show that the coupling of the edges within a single rectangular…”
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Spectral Modifications and Polarization Dependent Coupling in Tailored Assemblies of Quantum Dots and Plasmonic Nanowires by Gruber, Christian, Trügler, Andreas, Hohenau, Andreas, Hohenester, Ulrich, Krenn, Joachim R

“…The coupling of optical emitters with a nanostructured environment is at the heart of nano- and quantum optics. We control this coupling by the lithographic…”
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Multipitched plasmonic nanoparticle grating for broadband light enhancement in white light-emitting organic diodes by Auer-Berger, Manuel, Tretnak, Veronika, Sommer, Christian, Wenzl, Franz-Peter, Krenn, Joachim R., List-Kratochvil, Emil J. W.

“…We apply regular arrays of plasmonic nanodisks to enhance light emission from an organic white light-emitting diode (WOLED). To achieve broadband enhancement,…”
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