Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2007-09-13
Appl. Phys. Lett. 90, 233514 (2007)
Physics
Condensed Matter
Other Condensed Matter
Scientific paper
10.1063/1.2747200
We have developed a microcavity single-photon source based on a single quantum dot within a planar cavity in which wet-oxidation of a high-aluminium content layer provides lateral confinement of both the photonic mode and the injection current. Lateral confinement of the optical mode in optically pumped structures produces a strong enhancement of the radiative decay rate. Using microcavity structures with doped contact layers, we demonstrate a single-photon emitting diode where current may be injected into a single dot.
Atkinson Paola
Bennett Anthony. J.
Ellis David J. P.
Ritchie Dave A.
Shields Andrew J.
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