Chang Jiang Ri Bao·2025-09-22 08:33Group 1 - The construction of a maritime power is a significant strategic task for the rejuvenation of the Chinese nation, with advanced marine technology being a key indicator of this development [1] - The development of submarine optical cable communication is crucial for supporting marine resource development and offshore operations [1][2] - Wuhan has become the largest production base for optical fibers and cables globally, with leading companies showcasing new capabilities in transoceanic transmission [2][3] Group 2 - The total length of global submarine optical cables has reached 1.4 million kilometers, equivalent to circling the Earth 35 times, carrying trillions of dollars in financial data daily [4] - Historically, the technology and market for submarine cables have been monopolized by companies from the US, France, and Japan, making submarine cables a core element of international technological competition [4] - Wuhan enterprises are pushing for technological innovation and breakthroughs in this context of international competition [4][6] Group 3 - Yangtze Optical Fibre and Cable Company has maintained the world's largest market share in preform, optical fiber, and optical cable for nine consecutive years [6] - The company recently laid the world's first 7-core optical fiber submarine experimental cable, providing a revolutionary solution for "expanding capacity without increasing size" [6] - FiberHome Technologies announced a record transmission speed of 254.7 Tb/s over a 200-kilometer standard single-mode fiber, supporting long-distance signal transmission [6] Group 4 - The construction of a complete industrial chain capability is essential for the development of submarine optical cables [7] - The technology developed by China Information Communication Technologies Co., Ltd. achieved a world record for single-span transmission of 1002.75 kilometers, which has significant applications in near-sea fisheries and marine resource protection [7][8] - Submarine optical cables are critical for various applications, including real-time data transmission for oil and gas platforms and international quantum communication [8] Group 5 - FiberHome is investing nearly 3 billion yuan to build Asia's largest marine communication industrial park, capable of producing 10,000 kilometers of submarine optical cables annually [10] - The company has a complete industrial chain layout in optical fiber and submarine cable technology, actively participating in the optimization and construction of global marine networks [10] - The collaborative innovation model between enterprises and research institutions in Wuhan is fostering rapid technology transfer into industrial capabilities [10]