ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,729, issued on Sept. 23, was assigned to UNIVERSITE LIBRE DE BRUXELLES (Brussels).
"Quasi-deterministic single-photon source" was invented by Stephane Clemmen (Uccle, Belgium) and Serge Massar (Auderghem, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quasi-deterministic single-photon source and method of generating single photons on demand are disclosed. The single-photon source includes photon pair generation for generating a heralding and heralded photon in a frequency-correlated photon pair, a single-photon spectrometer adapted to detect the heralding photon and to generate an output signal that is indicative of the frequency of the d...