Sparkle announces BlueMed subsea cable – up to 240 Tbps
Sparkle announced plans for a massive subsea cable along the west coast of Italy, linking Genoa and Palermo. BlueMed will be a multi-fiber cable…
A journal for networking and telecoms
A journal for networking and telecoms
Subsea network coverage
Tracking cable systems, landing stations, marine routes, coherent transmission, financing and the cloud-driven expansion of global capacity.
Coverage architecture
Converge Digest follows the submarine cable systems carrying international traffic between continents. Coverage spans new routes, cable ownership, hyperscaler investment, landing stations, wet-plant technology, coherent transmission, marine installation and geopolitical resilience.
New routes, consortium structures, ownership and capacity design.
See the companies ↓02Fiber pairs, repeaters, branching units and marine engineering.
See the companies ↓03Cable landing stations, terrestrial backhaul and data center interconnection.
See the companies ↓04Financing, route diversity, regulation, repair and geopolitical risk.
See the companies ↓Latest reporting
Sparkle announced plans for a massive subsea cable along the west coast of Italy, linking Genoa and Palermo. BlueMed will be a multi-fiber cable…
Southern Cross Cable Limited awarded a contract to Alcatel Submarine Networks (ASN) to supply the Southern Cross NEXT submarine cable, based on an Open…
RTI Connectivity Pte. Ltd. (RTI) reported that construction of the Japan-Guam-Australia South Cable System (JGA South) is on schedule and will be commercially available…
Subcom has been selected to supply and build a new H2 submarine cable system linking Australia and Hong Kong with direct access to China.…
Hawaiki Submarine Cable LP has extended its U.S. presence from Hillsboro, OR to the Westin Building Exchange (WBX) carrier hotel and data center in…
Google’s Dunant submarine cable system, which will link the U.S. and France, will be the first subsea cable to leverage space-division multiplexing (SDM), enabling…
SubCom confirmed the manufacturing and installation of next-generation SDM high fiber count (HFC) undersea systems. The company’s repeaters incorporate SDM technology with an HFC…
Makai Ocean Engineering is working with Facebook’s submarine cable group to develop automated tools for laying subsea cables. Makai has identified two areas that…
The 400 km-long FLY-LION3 subsea cable has reached the island of Mayotte, an overseas department and region of France located in the Indian Ocean.…
Seaborn Networks has established an interconnection to DE-CIX New York from its Seabras-1 subsea cable. Seabras-1 is a fully operational 6-fiber pair, 72Tbps submarine…
A team of researchers from Infinera has achieved new benchmarks for efficiency for transatlantic fiber optic cables. By employing 16QAM modulation on the MAREA…
The Okinawa Cellular Telephone Company has selected NEC to design, engineer, supply, install, test and implement an optical submarine cable system connecting Okinawa Prefecture…
The cable ship SubCom Reliance successfully completed the repair of two Tongan submarine cables within eight days of arrival on repair ground. The Tonga…
Topic explorer
Use these curated entry points to move from the category overview into specific technologies, markets and the reporting attached to them.
Industry ecosystem
Submarine cables carry effectively all intercontinental traffic. Five groups of companies build, light, lay and pay for them.
Turnkey suppliers delivering wet plant, terminal equipment and installation.
Coherent line terminals and the DSPs setting per-fiber-pair capacity.
Fiber, armouring and cable production for deep-water and shore-end segments.
Cable ship operators handling laying, burial and the repair fleet resilience depends on.
Hyperscalers now fund and own a majority of new transoceanic capacity.
An editorially curated view, not a complete industry directory. Selection reflects market leadership, technology transitions and Converge Digest coverage volume. Browse the full archive →