Quantum Photonics (QPhotonics) metrology in Europe serves the requirements of regulation, industry and research operating in the single- and few-photon regime.

single-photon_map_opt_eng_2014_v2

C J Chunnilall, I P Degiovanni, S Kück, I Müller, and A G Sinclair, Optical Engineering [53(8)], 081910 (2014)