title: Experimental observation of electroluminescence enhancement on green LEDs mediated by surface plasmons.
abstract: We experimentally demonstrate the 1.5-fold enhancement of the electroluminescence (EL) of surface-plasmon (SP)-mediated green LEDs. On the p-clad surface of InGaN/GaN multi-quantum well LEDs, a 2-dimensional, second-order grating structure is textured and coated with an Ag electrode. With this setup, a larger EL enhancement factor is obtained at a higher injected current, which suggests that SP-LEDs can be a possible solution to efficiency droop, which is one of the main problems in developing high-power LEDs. Details regarding the implementation of our device are discussed.
authors.forename: Kwang-Geol
authors.initials: KG
authors.lastname: Lee
authors.forename: Ki-Young
authors.initials: KY
authors.lastname: Choi
authors.forename: Jin-Ha
authors.initials: JH
authors.lastname: Kim
authors.forename: Seok Ho
authors.initials: SH
authors.lastname: Song