6 papers
Enantioselective optical trapping and characterization of all dielectric disorder-enabled chiral particles
Guilherme T. Moura, Tanja Schoger, Kainã G. Diniz +9
We trap submicroscopic silica spheres coated with randomly distributed titanium dioxide nanoparticles in optical tweezers with Laguerre-Gaussian modes and observe orbital dynamics…
Rewritable Chirality of Metasurfaces with Permittivity-Asymmetric Flatband Quasi-Bound States in the Continuum
Tao Jiang, Haiyang Hu, Dmytro Gryb +4
Flatband eigenstates are widely applied to enhance angle-robust light-matter interactions in metaphotonics. However, controlling the polarization of flatbands remains challenging,…
Compact orbital-angular-momentum multiplexing via laser-written glass chips
Chenhao Li, Simon Gross, Leonardo de S. Menezes +3
Orbital angular momentum (OAM) modes have emerged as a promising solution for enhancing the capacity of optical multiplexing systems, leveraging their theoretically unbounded set o…
Ultrafast all-optical switching in nonlinear 3R-MoS van der Waals metasurfaces
Levin Seidt, Thomas Weber, Albert A. Seredin +7
Second-order nonlinear optical processes are fundamental to photonics, spectroscopy, and information technologies, with material platforms playing a pivotal role in advancing these…
Fabrication Optimization of van der Waals Metasurfaces: Inverse Patterning Boosts Resonance Quality Factor
Jonas Biechteler, Connor Heimig, Thomas Weber +5
Van der Waals (vdW) materials have garnered growing interest for use as nanophotonic building blocks that offer precise control over light-matter interaction at the nanoscale, such…
Temporally symmetry-broken metasurfaces for ultrafast resonance creation and annihilation
Andreas Aigner, Thomas Possmayer, Thomas Weber +3
Active metasurfaces, compact platforms for nanoscale light manipulation, are transforming technologies like holography, quantum cryptography, and optical computing. Despite their v…