20250312 TeA NTT’s optical chip push img

NTT has a vision of an all-optic communications network and is keen to bring other companies and organizations on board. (Nikkei montage/Source photo by Akira Kodaka)

Turning on the light: Can Japan's NTT usher in optical telecoms?

Light-based networks could ease power shortages but practical hurdles are high

TOKYO -- In a hospital in Tokyo in the not-too-distant future, a doctor gently manipulates an endoscope to probe her patient's internal organs, trusting the device's AI-powered diagnostic technology to not only record video of the operation but also document the procedure and even flag possible tumors in real time.

As futuristic as this scenario sounds, the most radical technological breakthrough would not be the device itself -- already being developed by Japanese company Olympus -- but the communications tech it will rely on.

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