<p>➀ Fraunhofer ILT initiated a quantum internet node developed with TNO, serving as a research platform to locally test and advance photonic components such as quantum frequency converters and single-photon sources.</p><p>➁ The quantum internet enables ultra-secure communication through entangled particles, with future applications like blind quantum computing and distributed quantum systems, though challenges remain in photon transmission stability and noise reduction.</p><p>➂ The node in Aachen is a cornerstone for Europe’s quantum network, emphasizing collaboration with industry and academia to optimize photonic technologies and establish compatibility for future quantum internet infrastructure.</p>