activity
20242026
most citedInterface second harmonic generation enhancement in hetero-bilayer van der Waals nanoantennas

13 citations · 17 across the 9 of their papers we have counts for

collaborators

10 papers

physics.optics2026

Shaping Near Fields of Photonic Modes into Topological Textures

Jonas Biechteler, Michael Hirler, Connor Heimig +5

Topological textures of light, such as optical vortices and skyrmions, are attractive for high-density information encoding and light-matter interactions. In the near field, topolo…

physics.optics2026

Orbital Angular Momentum Locking via Bound States in the Continuum

Enrico Baù, Connor Heimig, Jonas Biechteler +6

Optical vortices are electromagnetic fields twisting around a phase singularity, resulting in quantized orbital angular momentum (OAM). When such vortices are formed by evanescent…

physics.optics2026

Phonon-polaritonic skyrmions: Transition from bubble- to Néel-type

Florian Mangold, Enrico Baù, Lin Nan +6

Optical skyrmions are members of the emerging topological branch of solid-state physics and photonics, allowing for control over topological light textures through light-matter int…

physics.optics2025★ 3 cited

Accessible, All-Polymer Metasurfaces: Low Effort, High Quality Factor

Michael Hirler, Alexander A. Antonov, Enrico Baù +4

Optical metasurfaces supporting resonances with high quality factors offer an outstanding platform for applications such as non-linear optics, light guiding, lasing, sensing, light…

physics.optics2025

Spatially Encoded Polaritonic Ultra-Strong Coupling in Gradient Metasurfaces with Epsilon-Near-Zero Modes

Enrico Bau, Andreas Aigner, Jonas Biechteler +4

We introduce a platform to achieve ultra-strong coupling (USC) between light and matter using widely available materials. USC is a light-matter interaction regime characterized by…

physics.optics2024★ 13 cited

Interface second harmonic generation enhancement in hetero-bilayer van der Waals nanoantennas

Andrea Tognazzi, Paolo Franceschini, Jonas Biechteler +5

Layered van der Waals (vdW) materials have emerged as a promising platform for nanophotonics due to large refractive indexes and giant optical anisotropy. Unlike conventional diele…

physics.optics2024

Transient infrared nanoscopy resolves the millisecond photoswitching dynamics of single lipid vesicles in water

Thorsten Gölz, Enrico Baù, Jinhua Zhang +6

Understanding the biophysical and biochemical properties of molecular nanocarriers under physiological conditions and with minimal interference is crucial for advancing nanomedicin…

physics.optics2024

Revealing mode formation in quasi-bound states in the continuum metasurfaces via near-field optical microscopy

Thorsten Gölz, Enrico Baù, Andreas Aigner +5

Photonic metasurfaces offer exceptional control over light at the nanoscale, facilitating applications spanning from biosensing, and nonlinear optics to photocatalysis. Many metasu…

physics.optics2024

Nanoscale mechanical manipulation of ultrathin SiN membranes enabling infrared near-field microscopy of liquid-immersed samples

Enrico Baù, Thorsten Gölz, Martin Benoit +2

Scattering scanning near-field optical microscopy (s-SNOM) is a powerful technique for mid-infrared spectroscopy at nanometer length scales. By investigating objects in aqueous env…

physics.optics2024★ 1 cited

Origin of optical nonlinearity in plasmonic semiconductor nanostructures

Andrea Rossetti, Huatian Hu, Tommaso Venanzi +15

The development of nanoscale nonlinear elements in photonic integrated circuits is hindered by the physical limits to the nonlinear optical response of dielectrics, which requires…