In a Q&A session, Brian Lavallee from Ciena uncovers the complexities and potential of utilizing undersea submarine cables to detect earthquakes. Don't miss out — subscribe to IE+ today for interviews, analysis, and more. Find out more at 🚀
Submarine cables are lifelines of global communication, carrying 99 percent of intercontinental traffic.They can offer broader coverage and faster insights into tectonic movements, complementing land-based sensors.have become the lifelines of global communication, carrying an astonishing 99 percent of intercontinental traffic. These cables span vast distances through one of our planet's harshest environments—the ocean floor.
One of the goals of Ciena and me personally is to bridge the world's Digital Divide so that anyone in any country can benefit from high-speed internet. We're seeing a rise in Low-Earth Orbit satellite services complementary to existing terrestrial and cellular networks, helping provide high-performance connectivity to traditionally underserved areas.
Submarine cables use optical transmission technology to send information between endpoints, such as landing stations, central offices, and data centers. Data is transmitted down an optical fiber core using an electromagnetic transverse wave with an electric field and magnetic field tightly coupled and perpendicular to each other.
Currently, when earthquakes occur miles offshore, it can take minutes for the seismic waves to reach land-based seismometers. Optical polarization-based seismic-sensing transoceanic telecom cables can detect earthquakes quicker, which could save lives by providing earlier tsunami warnings. What challenges will scientists face in using undersea cables for seismic detection? Do you know of any projects already working to progress this idea?
Could undersea cables also be used to monitor other natural phenomena, such as ocean currents or marine life? Kindly highlight any other applications this 'double duty' could serve.
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