Ritter, S.S.RitterKretzschmar, J.J.KretzschmarKaiser, T.T.KaiserGeiss, R.R.GeissVogl, T.T.VoglEilenberger, F.F.Eilenberger2022-05-062022-05-062021https://publica.fraunhofer.de/handle/publica/417006Advances in quantum technologies have made canonical experiments, such as the Hanbury-Brown-Twiss interferometer, common in state-of-the-art optics labs. Here we demonstrate a path towards an open-source low-cost single-photon HBT-interferometer, targeted at the photonic maker-community.en620conference paper