Abstract

High quality sources of single and identical (indistinguishable) photons are essential for photonic quantum information processing including boson sampling, cluster-state quantum computing, and optical quantum repeaters. To enable the use of several single photon sources in parallel and to allow the implementation of complex photonic networks, it is essential that the single photon source can be integrated easily and efficiently with optical fiber technology. Here we show a first all-solid-state InGaAs quantum dot based, integrated cavity-QED enhanced, single photon source. The source is operated by resonant optical pumping through an excitation fiber, and the single photons are collected in the fiber attached to the transmission channel of the cavity.

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