Single Photon Converter (IMAGE) University of Warsaw, Faculty of Physics Caption A single photon converter (a yellow-orange box) installed on an optical fiber of the laboratory setup. (Source: FUW, Grzegorz Krzy?ewski) Credit Source: FUW, Grzegorz Krzy?ewski Usage Restrictions the image may only be used with the following caption: A single photon converter (a yellow-orange box) installed on an optical fiber of the laboratory setup. (Source: FUW, Grzegorz Krzy?ewski) License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.