Bright Single-Photon Emission From a Quantum Dot in a Circular Bragg Grating Microcavity

Abstract

Bright single-photon emission from single quantum dots (QDs) in suspended circular Bragg grating microcavities is demonstrated. This geometry has been designed to achieve efficient (>; 50%) single-photon extraction into a near-Gaussian-shaped far-field pattern, modest (≈ 10 ×) Purcell enhancement of the radiative rate, and a spectral bandwidth of a few… (More)

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