Recent results from a collaboration between Wrocław University of Science and Technology, Technische Universität Berlin, Maria Curie Sklodowska University, Fibrain, PicoQuant, JCMwave, and Zuse Institute Berlin have been published in Advanced Quantum Technologies. The manuscript describes a user-friendly, fiber-coupled, single-photon source operating at telecom wavelength. Numerical design has been performed at JCMwave and ZIB. The publication has been highlighted by presenting it on the journal cover page.