847 citations · 1.7k across the 17 of their papers we have counts for
17 papers
Size, Shape, and Material matter: All-optical Mie void sensor for complex nanoplastic mixtures
Dominik Ludescher, Julian Schwab, Serkan Arslan +5
The fragmentation of plastic debris and the direct release of nanoplastics have emerged as a pressing ecological concern. Once dispersed, these enduring particles infiltrate food w…
Mie Voids as broadband directional light sources
Benjamin Reichel, Adrià Canós Valero, Mario Hentschel +2
The Kerker effect arises from the interference between electric and magnetic multipoles, enabling directional light scattering in nanophotonics. However, conventional dielectric an…
Inorganic electrochromic metasurface in the visible
Yohan Lee, Jonas Herbig, Serkan Arslan +5
Colour printing based on metallic or dielectric nanostructures has revolutionized colour science due to its unprecedented subwavelength resolution. Evidently, the evolution towards…
Attoliter Mie Void Sensing
Serkan Arslan, Micha Kappel, Adrià Canós Valero +7
Traditional nanophotonic sensing schemes utilize evanescent fields in dielectric or metallic nanoparticles, which confine far-field radiation in dispersive and lossy media. Apart f…
Ultrafast phonon-mediated dephasing of color centers in hexagonal boron nitride probed by electron beams
Masoud Taleb, Paul Bittorf, Mximilian Black +7
Defect centers in hexagonal boron nitride have been extensively studied as room temperature single photon sources. The electronic structure of these defects exhibits strong couplin…
Quasi-Babinet principle in dielectric resonators and Mie voids
Masoud Hamidi, Kirill Koshelev, Sergei Gladyshev +5
Advancing resonant nanophotonics requires novel building blocks. Recently, cavities in high-index dielectrics have been shown to resonantly confine light inside a lower-index regio…
Phase-locked photon-electron interaction without a laser
Masoud Taleb, Mario Hentschel, Kai Rossnagel +2
Ultrafast electron-photon spectroscopy in electron microscopes commonly requires ultrafast laser setups. Photoemission from an engineered electron source is used to generate pulsed…
Dielectric Mie Voids: Confining Light in Air
Mario Hentschel, Kirill Koshelev, Florian Sterl +6
Manipulating light on the nanoscale has become a central challenge in metadevices, resonant surfaces, nanoscale optical sensors, and many more, and it is largely based on resonant…
Nanofabricated and integrated colour centres in silicon carbide with high-coherence spin-optical properties
Charles Babin, Rainer Stöhr, Naoya Morioka +19
Optically addressable spin defects in silicon carbide (SiC) are an emerging platform for quantum information processing. Lending themselves to modern semiconductor nanofabrication,…
Reconfigurable Plasmonic Chirality: Fundamentals and Applications
Frank Neubrech, Mario Hentschel, Na Liu
Molecular chirality is a geometric property that is of great importance in chemistry, biology, and medicine. Recently, plasmonic nanostructures that exhibit distinct chiroptical re…
Chiral plasmonics
Mario Hentschel, Martin Schaeferling, Xiaoyang Duan +2
We present a comprehensive overview of chirality and its optical manifestation in plasmonic nanosystems and nanostructures. We discuss top-down fabricated structures that range fro…
Chiral Plasmonic Nanostructures Enabled by Bottom-Up Approaches
Maximilian J. Urban, Chenqi Shen, Xiang-Tian Kong +5
We present a comprehensive review of recent developments in the field of chiral plasmonics. Significant advances have been made recently in understanding the working principles of…
Electrically switchable metasurface for beam steering using PEDOT
Juliane Ratzsch, Julian Karst, Jinglin Fu +10
Switchable and active metasurfaces allow for the realization of beam steering, zoomable metalenses, or dynamic holography. To achieve this goal, one has to combine high-performance…
Interaction of edge exciton polaritons with engineered defects in the van der Waals material Bi2Se3
Robin Lingstaedt, Nahid Talebi, Mario Hentschel +5
Hyperbolic materials exhibit unique properties that enable a variety of intriguing applications in nanophotonics. The topological insulator Bi2Se3 represents a natural hyperbolic o…
Electrostatic potential mapping at ferroelectric domain walls by low-temperature photoemission electron microscopy
J. Schaab, K. Shapovalov, P. Schoenherr +10
Low-temperature X-ray photoemission electron microscopy (X-PEEM) is used to measure the electric potential at domain walls in improper ferroelectric Er0.99Ca0.01MnO3. By combining…
Imaging and characterization of conducting ferroelectric domain walls by photoemission electron microscopy
J. Schaab, I. P. Krug, F. Nickel +9
High-resolution X-ray photoemission electron microscopy (X-PEEM) is a well-established method for imaging ferroelectric domain structures. Here, we expand the scope of application…
Nanoantenna-enhanced ultrafast nonlinear spectroscopy of a single gold nanoparticle
Thorsten Schumacher, Kai Kratzer, David Molnar +3
Optical nanoantennas are a novel tool to investigate previously unattainable dimensions in the nanocosmos. Just like their radio-frequency equivalents, nanoantennas enhance the lig…