activity
20242026
collaborators

6 papers

physics.optics2026

Gallium phosphide on insulator for nanophotonics and quantum technologies

Tobias Bucher, Otto Arnold, Muyi Yang +7

Gallium phosphide is a promising material platform for visible and near-infrared photonics and quantum technologies owing to its high refractive index, low optical absorption, and…

cond-mat.mes-hall2025

Intrinsically chiral exciton polaritons in an atomically-thin semiconductor

Matthias J. Wurdack, Ivan Iorsh, Sarka Vavreckova +15

Photonic bound states in the continuum (BICs) have emerged as a versatile tool for enhancing light-matter interactions by strongly confining light fields. Chiral BICs are photonic…

physics.optics2025

Tunable Resonant Metasurfaces Empowered by Atomically Thin Semiconductors

Alexey Ustinov, Ángela Barreda, Duk-Yong Choi +4

Nanophotonics has recently gained new momentum with the emergence of a novel class of nanophotonic systems consisting of resonant dielectric nanostructures integrated with single o…

physics.optics2025

Valley-dependent emission patterns enabled by plasmonic nanoantennas

Tobias Bucher, Jingshi Yan, Jan Sperrhake +12

Selective control over the emission pattern of valley-polarized excitons in monolayer transition metal dichalcogenides is crucial for developing novel valleytronic, quantum informa…

physics.optics2025

Role of Coherence in Polarization Response of Hybrid Monolayer MoS-Gold Nanoparticle Systems

Laura Valencia Molina, Zlata Fedorova, Angela Barreda +12

Monolayers of transition metal dichacogenides show strong second-order nonlinearity and symmetry-driven selection rules from their three-fold lattice symmetry. This process resembl…

physics.optics2024

Influence of resonant plasmonic nanoparticles on optically accessing the valley degree of freedom in 2D semiconductors

Tobias Bucher, Zlata Fedorova, Mostafa Abasifard +10

The valley degree of freedom is one of the most intriguing properties of atomically thin transition metal dichalcogenides. Together with the possibility to address this degree of f…