title: Extraction of surface plasmons in organic light-emitting diodes via high-index coupling.
abstract: The efficiency of organic light-emitting diodes (OLEDs) is still limited by poor light outcoupling. In particular, the excitation of surface plasmon polaritons (SPPs) at metal-organic interfaces represents a major loss channel. By combining optical simulations and experiments on simplified luminescent thin-film structures we elaborate the conditions for the extraction of SPPs via coupling to high-index media. As a proof-of-concept, we demonstrate the possibility to extract light from wave-guided modes and surface plasmons in a top-emitting white OLED by a high-index prism.
authors.affiliation: Institute of Physics, University of Augsburg, Universit¨atsstrasse 1, 86159 Augsburg, Germany.
authors.forename: Bert J
authors.initials: BJ
authors.lastname: Scholz
authors.forename: Jörg
authors.initials: J
authors.lastname: Frischeisen
authors.forename: Arndt
authors.initials: A
authors.lastname: Jaeger
authors.forename: Daniel S
authors.initials: DS
authors.lastname: Setz
authors.forename: Thilo C G
authors.initials: TC
authors.lastname: Reusch
authors.forename: Wolfgang
authors.initials: W
authors.lastname: Brütting