title: Optical properties of red emitting self-assembled InP/(Al0.20Ga0.80)0.51In0.49P quantum dot based micropillars.
abstract: Using focused ion beam etching techniques, micropillar cavities were fabricated from a high reflective AlAs/AlGaAs distributed Bragg reflector planar cavity containing self-assembled InP quantum dots in (Al(0.20)Ga(0.80))(0.51)In(0.49)P barrier layers. The mode spectra of pillars with different diameters were investigated using micro-photoluminescence, showing excellent agreement with theory. Quality factors of the pillar cavities up to 3650 were observed. Furthermore, for a microcavity pillar with 1.26 mum diameter, single-photon emission is demonstrated by performing photon correlation measurements under pulsed excitation.
authors.affiliation: Institut für Halbleiteroptik und Funktionelle Grenzflächen, Universität Stuttgart, Allmandring 3, D-70569 Stuttgart, Germany.
authors.forename: Wolfgang-Michael
authors.initials: WM
authors.lastname: Schulz
authors.forename: Tim
authors.initials: T
authors.lastname: Thomay
authors.forename: Marcus
authors.initials: M
authors.lastname: Eichfelder
authors.forename: Moritz
authors.initials: M
authors.lastname: Bommer
authors.forename: Michael
authors.initials: M
authors.lastname: Wiesner
authors.forename: Robert
authors.initials: R
authors.lastname: Rossbach
authors.forename: Michael
authors.initials: M
authors.lastname: Jetter
authors.forename: Rudolf
authors.initials: R
authors.lastname: Bratschitsch
authors.forename: Alfred
authors.initials: A
authors.lastname: Leitenstorfer
authors.forename: Peter
authors.initials: P
authors.lastname: Michler