Japanese large-core single-mode optical fiber

A group of researchers from the National Institute of Information and Communications Technology (NICT, Japan) and Sumitomo Electric Industries, Ltd. (SEI, Japan) in collaboration with the Eindhoven Un...

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Jun 16, 2026
Optical Fibers | Telecommunication Systems Business Unit

We offer fiber with excellent mechanical properties and low macro bending loss, ideal for tight indoor cabling and compact equipment installations. It also features reduced OH absorption at 1383 nm,

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Jan 22, 2026
Novel 19-Core Fiber Hits 1.7 Petabits per Second

Researchers in Japan and Australia have developed a new multicore optic fiber able to transmit a record-breaking 1.7 petabits per second, while maintaining compatibility with existing fiber

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Apr 29, 2026
Sumitomo Electric and NICT Develop the World''s First 19-core Optical

This time, Sumitomo Electric has realized a randomly coupled multi-core optical fiber with 19 cores, the world''s largest number of cores for a standard outer diameter optical fiber, by

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Aug 16, 2025
Japan sends 1 million GB of data across 1,100 miles in a second

Imagine downloading 10,000 4K movies in just a second. A team of Japanese researchers has achieved such a mind-blowing internet speed using a specially designed optical

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Jun 06, 2026
World Record Achieved in Transmission Capacity and

The experiment used a specially designed 19-core optical fiber with a standard 0.125 mm cladding diameter, compatible with existing fiber infrastructure.

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Jan 01, 2026
Petabit Power Unleashed: Japan''s 19-Core Fiber Sends

For the first time, a research team has successfully transmitted over one petabit per second across more than 1,000 kilometers using a standard 19-core optical fiber.

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Jul 28, 2025
World''s first standard cladding diameter 19-core optical fiber with

In this research, SEI designed and fabricated a randomly coupled 19-core fiber with a standard cladding-diameter, and NICT constructed a transmission system to demonstrate the maximum capabilities of

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Dec 04, 2025
Large-core Fibers – multimode, single-mode, effective mode area

With standard fibers, you trade large mode areas for single-mode operation. With our large mode area fibers, you get single-mode operation in a wide range of wavelengths.

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Sep 17, 2025
Japanese researchers shatter internet speed record with fiber optic

Breakthrough uses 19-core optical fiber, matching current cable thickness but with 19x the capacity. Technology maintains speed over 1,120 miles, solving long-distance signal loss with

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Aug 16, 2025
Sumitomo Electric and NICT Develop the World''s First

This time, Sumitomo Electric has realized a randomly coupled multi-core optical fiber with 19 cores, the world''s largest number of cores for a standard

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Apr 23, 2026
NICT and Sumitomo Electric Set World Record: 1.02 Pbps

The experiment used a specially designed 19-core optical fiber with a standard 0.125 mm cladding diameter, compatible with existing fiber infrastructure. With a capacity-distance product of

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