The Effects of Detector Efficiency when Heralding on the Detection of Zero Photons
Cory M. Nunn, J. D. Franson, T. B. Pittman · Frontiers in Optics + Laser Science 2021 · 2021
Reliable detection of zero photons is important for quantum information applications but presents unique experimental challenges. We demonstrate the role of detector efficiency when “heralding on zero” using a modified Hong-Ou-Mandel interferometer.