Optical fiber is made of thin strands of ultra-pure glass which can carry up to 32 TB/s of data.
New Types of High Density and Dust Insensitive Fiber Optic Connectors - Fiber Optics Tech Consortium
TV Azteca-Tendai consortium wins fiber optic backbone project in Peru - BNamericas
Exclusive: China plans $500 million subsea internet cable to rival US-backed project
How thick is the submarine communication cable (optical fiber)? Will it be broken by fishing boat, earthquake, or submarines? - Quora
YCETC - YCESA
Topaz subsea cable connects Canada and Asia
Network Rail using innovative fibre-optic technology to boost
YCETC - YCESA
LACNIC Blog Internet under the Sea