TelecommunicationJapan telecom's IOWN fund joins Nvidia in funding round for switch maker iPronicsNTT aims to commercialize its optical communications technology for AI. (Photo by Marie Yoshimura)KOSUKE SHIMIZUSeptember 9, 2026 03:28 JSTTOKYO -- An optical communications fund created by NTT has selected its first investment, a Spanish startup, as the Japanese company seeks outside partners to promote its technology for artificial intelligence.