By The Register

With a flick of a switch, NTT has boosted the capacity on its Japan-US PC-1 cable link more than 2.5 times to 8.4 terabits per second.  The company's announcement heralds the beginning of a rollout that will ultimately take in NTT's intra-Asian submarine cables. NTT has been trialling 100 Gbps digital coherent optical systems from Infinera since 2011, but says only now has it resolved all the technical challenges in achieving stable channels.

“By optically optimising the PC-1’s network architecture, including with strategically placed optical repeaters and an enhanced optical fibre layout, NTT Com has now achieved the world’s first commercial deployment of 100 Gbps digital coherent technology on a transpacific route,” NTT said in an announcement.

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