Photon Antibunching from a Single Quantum Dot-Microcavity System in the Strong Coupling Regime
Abstract
We observe antibunching in the photons emitted from a strongly-coupled single quantum dot and pillar microcavity. Resonant pumping of the selected quantum dot via an excited state enabled this observation by eliminating the background emitters that are usually coupled to the cavity. The resonantly-pumped quantum dot exhibited an anticrossing with the cavity mode, the signature of strong coupling. This device demonstrates an on-demand single photon source operating in the strong coupling regime, with a Purcell factor of 54 and quantum effciency of 97%.Keywords
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