Raul Lahoz Sanz is performing a 2.5-months internship in the Research Group of Prof. Ding, starting from March 15th, 2024. The visit is a result of a growing collaboration between the groups of Prof. Ding at Leibniz Universität Hannover and 'QCommsUB' group, led by Prof. Bruno Julia at the Universitat de Barcelona. Experience on the field of Quantum Optics are shared and helps into spreading the scientific knowledge on Quantum technologies.