NEC Corporation and NTT Corporation have announced that they have successfully conducted a first-of-its-kind transoceanic-class 7,280km transmission experiment using a coupled 12-core multicore fibre (*1), which consists of 12 optical signal transmission paths in a standard outer. NEC Corporation and NTT Corporation have announced that they have successfully conducted a first-of-its-kind transoceanic-class 7,280km transmission experiment using a coupled 12-core multicore fibre (*1), which consists of 12 optical signal transmission paths in a standard outer. Tokyo, Japan, March 21, 2024 - NEC Corporation (NEC; TSE: 6701) and NTT Corporation (NTT) today announced that they have successfully conducted a first-of-its-kind transoceanic-class 7,280km transmission experiment using a coupled 12-core multicore fiber (*1), which consists of 12 optical signal. Corning's Long-Reach Technology offers cost-effective, reliable, and scalable long distance connectivity that can enable the deployment of complex technologies across the extended reach of campuses. Our Long-Reach Technology offers a streamlined architecture that can adapt to future needs and grow. NEC, as one of the top three enterprises in the submarine cable market, succeeded in prototyping the world's first four-core optical fiber submarine cable in July 2022. In this press release, we announce the success of our transoceanic long-distance transmission experiment over 7,280 km using. MIMO enables world first 7,000km optical link with 12-core fibre. This development highlights the growing demand for high-performance, low-loss.