Two-step excitation of higher-order hyperbolic phonon polaritons. Credit: Nature Photonics (2025). DOI: 10.1038/s41566-025-01755-5 An international team of researchers…
Matteo VielAstroparticle and Gravitational Physics Group, International School for Advanced Studies (SISSA), Trieste, Italy October 6, 2025• Physics…