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The generation of photon pairs in single quantum dots is based on a processthat is, in its nature, deterministic. However, an efficient extraction ofthese photon pairs from a high-index semiconductor host material requiresengineering of the photonic environment. We report on a micropillar-baseddevice featuring an extraction efficiency of 69.4(10)$\%$ that is achieved byharnessing a broadband operation suitable for extraction of photon pairsemitted from a single quantum dot. Opposing the approaches that rely solely onPurcell enhancement to realize the enhancement of the extraction efficiency,our solution exploits a suppression of the emission into the modes other thanthe cavity mode. Our technological implementation requires modest fabricationeffort enabling higher device yields that can be scaled up to meet the growingneeds of quantum technologies. Furthermore, the design of the device can befurther optimized to allow for an extraction efficiency of 85$\%$.

High extraction efficiency source of photon pairs based on a quantum dot embedded in a broadband micropillar cavity