Search Results - "Forstner, Jens"
-
1
Negative polarization of light at backscattering from a numerical analog of planetary regoliths
Published in Icarus (New York, N.Y. 1962) (15-09-2022)“…We model negative polarization, which is observed for planetary regoliths at backscattering, solving a full wave problem of light scattering with a numerically…”
Get full text
Journal Article -
2
Second harmonic generation spectroscopy on hybrid plasmonic/dielectric nanoantennas
Published in Light, science & applications (01-01-2016)“…Plasmonic nanoantennas provide unprecedented opportunities to concentrate light fields in subwavelength-sized volumes. By placing a nonlinear dielectric…”
Get full text
Journal Article -
3
Unveiling Nanometer Scale Extinction and Scattering Phenomena through Combined Electron Energy Loss Spectroscopy and Cathodoluminescence Measurements
Published in Nano letters (11-02-2015)“…Plasmon modes of the exact same individual gold nanoprisms are investigated through combined nanometer-resolved electron energy-loss spectroscopy (EELS) and…”
Get full text
Journal Article -
4
Directional Emission from Dielectric Leaky-Wave Nanoantennas
Published in Nano letters (12-07-2017)“…An important source of innovation in nanophotonics is the idea to scale down known radio wave technologies to the optical regime. One thoroughly investigated…”
Get full text
Journal Article -
5
Broadband optical Ta2O5 antennas for directional emission of light
Published in Optics express (23-05-2022)Get full text
Journal Article -
6
Full Resonant Transmission of Semiguided Planar Waves Through Slab Waveguide Steps at Oblique Incidence
Published in Journal of lightwave technology (01-02-2016)“…Sheets of slab waveguides with sharp corners are investigated. By means of rigorous numerical experiments, we look at oblique incidence of semiguided plane…”
Get full text
Journal Article -
7
A multi-mode super-fano mechanism for enhanced third harmonic generation in silicon metasurfaces
Published in Light, science & applications (21-04-2023)“…We present strong enhancement of third harmonic generation in an amorphous silicon metasurface consisting of elliptical nano resonators. We show that this…”
Get full text
Journal Article -
8
Efficient Modeling and Tailoring of Nonlinear Wavefronts in Dielectric Metasurfaces
Published in ACS photonics (16-08-2023)“…Dielectric metasurfaces provide a unique platform for efficient harmonic generation and optical wavefront manipulation at the nanoscale. Tailoring phase and…”
Get full text
Journal Article -
9
Coupling Mediated Coherent Control of Localized Surface Plasmon Polaritons
Published in Nano letters (10-06-2015)“…We investigate the phase-dependent excitation of localized surface plasmon polaritons in coupled nanorods by using nonlinear spectroscopy. Our design of a…”
Get full text
Journal Article -
10
Unveiling and Imaging Degenerate States in Plasmonic Nanoparticles with Nanometer Resolution
Published in ACS nano (28-08-2018)“…Metal nanoparticles host localized plasmon excitations that allow the manipulation of optical fields at the nanoscale. Despite the availability of several…”
Get full text
Journal Article -
11
Light scattering by ice crystals of cirrus clouds: From exact numerical methods to physical-optics approximation
Published in Journal of quantitative spectroscopy & radiative transfer (01-07-2017)“…The problem of light scattering by ice crystals of cirrus clouds is considered in the case of a hexagonal ice plate with different distributions over crystal…”
Get full text
Journal Article -
12
Tailored UV Emission by Nonlinear IR Excitation from ZnO Photonic Crystal Nanocavities
Published in ACS photonics (16-05-2018)“…For many applications in photonics, e.g., free-space telecommunication, efficient UV sources are needed. However, optical excitation of such sources requires…”
Get full text
Journal Article -
13
Simulations of high harmonic generation from plasmonic nanoparticles in the terahertz region
Published in Applied physics. B, Lasers and optics (01-09-2016)“…Metallic nanostructures are known for enhancing weak nonlinear processes when a resonant and coherent excitation takes place. With proper structural design, an…”
Get full text
Journal Article -
14
An efficient compact blazed grating antenna for optical phased arrays
Published in JPhys photonics (01-10-2024)“…Phased arrays are vital in communication systems and have received significant interest in the field of optoelectronics and photonics, enabling a wide range of…”
Get full text
Journal Article -
15
Light scattering by ice crystals of cirrus clouds: comparison of the physical optics methods
Published in Journal of quantitative spectroscopy & radiative transfer (01-10-2016)“…The physical optics approximations are derived from the Maxwell equations. The scattered field equations by Kirchhoff, Stratton-Chu, Kottler and Franz are…”
Get full text
Journal Article -
16
Phase sensitive properties and coherent manipulation of a photonic crystal microcavity
Published in Optics express (05-09-2016)“…We present phase sensitive cavity field measurements on photonic crystal microcavities. The experiments have been performed as autocorrelation measurements…”
Get full text
Journal Article -
17
The role of electromagnetic interactions in second harmonic generation from plasmonic metamaterials
Published in Applied physics. B, Lasers and optics (01-02-2016)“…We report on second harmonic generation spectroscopy on a series of rectangular arrays of split-ring resonators. Within the sample series, the lattice…”
Get full text
Journal Article -
18
Integrated superconducting nanowire single-photon detectors on titanium in-diffused lithium niobate waveguides
Published in JPhys photonics (01-07-2021)“…We demonstrate the integration of amorphous tungsten silicide superconducting nanowire single-photon detectors on titanium in-diffused lithium niobate…”
Get full text
Journal Article -
19
Tuning quantum-dot based photonic devices with liquid crystals
Published in Optics express (12-04-2010)“…Microdisks made from GaAs with embedded InAs quantum dots are immersed in the liquid crystal 4-cyano-4'-pentylbiphenyl (5CB). The quantum dots serve as…”
Get full text
Journal Article -
20
Theoretical approach to the ultrafast nonlinear optical response of metal slabs
Published in CLEO: 2011 - Laser Science to Photonic Applications (01-05-2011)“…We present an ab-initio method for calculating nonlinear and nonlocal optical effects in metallic slabs with sub-wavelength thickness. We find a strong…”
Get full text
Conference Proceeding