Japan Achieves Historic Breakthrough in Internet Speed: 1.02 Petabits per Second

Japan Achieves Historic Breakthrough in Internet Speed: 1.02 Petabits per Second
In a technological milestone that marks a first on the global stage, Japan’s National Institute of Information and Communications Technology (NICT) announced a new world record in internet speed, reaching 1.02 petabits per second. To put this figure into perspective: such speed could theoretically download an entire library of high-definition Netflix content in just one second. The achievement was made possible through highly controlled experiments using advanced optical fiber cables containing four cores, combined with sophisticated encoding techniques that enabled this unprecedented data transmission capacity.
【プレスリリース】
NICTは、「革新的情報通信技術(Beyond 5G(6G))基金事業 要素技術・シーズ創出型プログラム」で実施する「日米国際共同研究プロジェクト」に係る公募を開始しました。
詳細は以下をご覧ください。https://t.co/PBsvZ3U52g#NICT #Beyond_5G #6G #日米国際共同研究プロジェクト— 情報通信研究機構 (@NICT_Publicity) July 11, 2025
While the experiment remains within the scope of research, it sets a foundational precedent for what internet infrastructure may look like in the near future—particularly with the approaching era of sixth-generation (6G) networks. These ultra-fast speeds are not merely a technological luxury; they are expected to serve critical, high-bandwidth applications such as autonomous driving, remote surgeries, extended reality (XR), and advanced cloud computing. Importantly, the results were achieved in a test environment that closely simulated real-world conditions, suggesting that practical deployment may not be far off.
This achievement reinforces Japan’s position as one of the global leaders in telecommunications and technology innovation, placing it at the forefront of the global race to build next-generation network infrastructure. In the context of intense competition among countries like the United States, China, and South Korea, Japan’s message is clear: the future is already underway.








