@inproceedings{AhibozAndresenManleyetal.2021, author = {Doguscan Ahiboz and Elina Andresen and Phillip Manley and Ute Resch Genger and Christian W{\"u}rth and Christiane Becker}, title = {Enhanced Photon Upconversion Using Erbium-Doped Nanoparticles Interacting with Silicon Metasurfaces}, booktitle = {IEEE 48th Photovoltaic Specialists Conference (PVSC)}, pages = {2008 -- 2010}, doi = {10.1109/PVSC43889.2021.9518495}, year = {2021}, }