PIERS: Ideal band degeneracies: what symmetry allows and forbids (Chiba, Japan, 2025).
NUSOD: Topological insights into tight-binding models of 3D photonic crystals (Łód\'z, Poland, 2025).
Topological Photonics Workshop: Symmetry, topology, and connectivity of photonic crystals (Donostia–San Sebastian, Spain, 2025)
META: Is photonic band topology rare or common? (Toyoma, Japan, 2024).
Polariton Science Conference: Prevalence of photonic topology (Odense, Denmark, 2024).
AMPD: How common is photonic band topology? (Berlin, Germany; 2024).
SPIE Photonics Europe: Contrastive, multimodal, and interpretable machine learning for photonics and beyond (Strasbourg, France, 2024).
META: Symmetry, connectivity, and topology in photonic crystals (Paris, France, 2023).
PIERS: Symmetry and topology in photonic crystals (Prague, Czech Republic, 2023).
AES: Symmetry and topology in photonic crystals (Torremolinos, Spain, 2023).
SPIE Photonics West: Location, symmetry, and topology of the fundamental photonic crystal gap (San Francisco, USA, 2022).
PIERS: Nonclassical surface response in nanoplasmonics (Rome, Italy, 2019).
Synthetic Topological Matter Workshop: Non-Abelian Berry phases in topological photonics (Stewart Blusson Quantum Matter Institute, Vancouver, Canada, 2019).
PIERS: Non-Abelian Berry phases in topological photonics (Toyama, Japan, 2018).
META: Topological plasmons in graphene (Incheon–Seoul, Korea, 2017).
PIERS: Two-dimensional topological plasmonics (St. Petersburg, Russia) [keynote].
Donostia International Physics Center (Donostia-San Sebastian, Spain, 2023).
POLIMA, University of Southern Denmark (Odense, Denmark, 2023).
Max Planck Institute for the Science of Light (virtual, 2021).
CINT, Sandia National Laboratories (virtual, 2021).
OMEL, ETH Zürich (virtual, 2020).
ITAMP, Harvard University (Cambridge, USA, 2018).
Institute of Physics, Chinese Academy of Sciences (Beijing, China, 2017).
Photonic high-order degeneracies and hinge states from Wannier pumps (High-Order Photonic Topology MURI, US Army, annual review, 2022).
Topological quantum chemistry for photonic crystals (High-Order Photonic Topology MURI, US Army, seminar, 2021).
Photonic topological quantum chemistry (High-Order Photonic Topology MURI, US Army, annual review, 2021).
Infrared two-dimensional topological plasmonics (Institute for Soldier Nanotechnology, US Army, project review, 2018).
Quantum corrections in nanoplasmonics (S³TEC Energy Frontier Research Center, US Dept. of Energy, seminar, 2017).
MRS Fall Meeting: Classical and quantum plasmonics in graphene nanostructures – the role of edge states (Boston, USA, 2014).