glowing deep-sea cable on the ocean floor, connecting continents for high-speed data transmission across vast underwater distances

submarine cable fiberoptic undersea data transmission internet connectivity oceanic communication global network deepsea luminous glowing intercontinental underwater seabed marine telecommunications digital information transfer transatlantic transpacific bandwidth optical signals light pulses terabyte connection infrastructure backbone international technology sea repeaters amplifiers laying installation protection repair maintenance oceanfloor continental link datatransfer highspeed