Room temperature stable single-photon source A. Beveratos, S. Kühn, R. Brouri, T. Gacoin, J.-P. Poizat and P. Grangier Eur. Phys. J. D, 18 2 (2002) 191-196 Published online: 15 February 2002 DOI: 10.1140/epjd/e20020023