Hofmann, Clarissa L M Upconversion in a Bragg structure: photonic effects of a modified local density of states and irradiance on luminescence and upconversion quantum yield. [electronic resource] - Optics express Jun 2016 - 14895-914 p. digital Publication Type: Journal Article ISSN: 1094-4087 Standard No.: 10.1364/OE.24.014895 doi