TY - GEN AU - Hofmann,Clarissa L M AU - Herter,Barbara AU - Fischer,Stefan AU - Gutmann,Johannes AU - Goldschmidt,Jan Christoph TI - Upconversion in a Bragg structure: photonic effects of a modified local density of states and irradiance on luminescence and upconversion quantum yield SN - 1094-4087 PY - 2018///0129 N1 - Publication Type: Journal Article UR - https://doi.org/10.1364/OE.24.014895 ER -