PT Journal AU Steudle, GA Schietinger, S Höckel, D Dorenbos, SN Zadeh, IE Zwiller, V Benson, O TI Measuring the quantum nature of light with a single source and a single detector SO Phys. Rev. A PY 2012 BP 053814 VL 86 IS 5 DI 10.1103/PhysRevA.86.053814 DE SSPD; SNSPD; saturation count rates; dead time; dynamic range AB An elementary experiment in optics consists of a light source and a detector. Yet, if the source generates nonclassical correlations such an experiment is capable of unambiguously demonstrating the quantum nature of light. We realized such an experiment with a defect center in diamond and a superconducting detector. Previous experiments relied on more complex setups, such as the Hanbury Brown and Twiss configuration, where a beam splitter directs light to two photodetectors, creating the false impression that the beam splitter is a fundamentally required element. As an additional benefit, our results provide a simplification of the widely used photon-correlation techniques. ER