2010/07/15 by G. Brida, I. P. Degiovanni, M. Genovese +4 · 1 citation
Physics and Astronomy · #quant-ph
paper · pdf · doi:10.1364/oe.19.001484
published as Opt. Exp. 19 (2011) 1484 · 4 pages, 5 figures
arxiv created 2010/07/15 · arxiv updated 2015/05/19
We present a heralded single-photon source with a much lower level of unwanted background photons in the output channel by using the herald photon to control a shutter in the heralded channel. The shutter is implemented using a simple field programable gate array controlled optical switch.