OSAKA, Japan--(BUSINESS WIRE)--Sumitomo Electric Industries, Ltd. (TOKYO:5802)(ISIN:JP3407400005) has developed a new-type coupled multi-core optical fiber suitable for ultra-long-haul transmission, ...

- An optical fiber with 19 cores within a standard cladding diameter was developed, enabling a transmission capacity of 1.7 petabits per second. - Randomly coupled multi-core fibers require less power ...

- The world's first successful petabit-class transmission over more than 1,000 km using standard 19-core optical fiber, achieving a transmission rate of 1.02 petabits per second over a distance of ...

Despite the modern world relying heavily on digital optical communication, there has not been a significant improvement in the minimum attenuation—a measure of the loss of optical power per kilometer ...