Faster, higher-capacity optical communications exceeding 100Gb/s
First written in FY2016. 11 of 12 entries say "Advanced", first in FY2017. Latest entry: FY2026.
No other company in this theme has enough history to compare yet.
- FY2026AdvancedAnnual report
「In fiscal 2025, against strong demand between data centers and in metro networks, the company newly developed and began selling the 13824-core WTC®, the world's highest-count optical-fiber cable.」
High-capacity, high-density optical communications progressed to the development and start of sales of the 13,824-core WTC® and receipt of the Grand Prize at the 2025 Nikkei Excellent Products and Services Awards. - 2026-05-14AdvancedRevisions to earnings forecasts
「2025年度には、ハイパースケールデータセンタ向けに、世界初となる13,824心SWR®/WTC®の販売を開始したほか、国内のデータセンタ市場向けには4,000心SWR®/WTC®を製品化しました。」
高密度光通信の取り組みが、13,824心製品の販売開始と4,000心製品の製品化という実用化実績へ進んだ。 - FY2025AdvancedAnnual report
「In March 2025, the company's 4-core MCF cable was introduced into an uncompressed 8K video transmission system built by the National Institute of Information and Communications Technology (NICT). The company also announced a new 16-core MCF with the world's highest density for short-distance transmission.」
Optical communications exceeding 100Gb/s in speed and capacity progressed to commercialization and higher-density achievements, including the introduction of 4-core MCF into an 8K video transmission system and the announcement of 16-core MCF. - FY2024AdvancedAnnual report
「In fiscal 2023, the company developed fusion-splicing and inspection technologies for MCF with 4 cores within the standard cladding outside diameter.」
Optical communications exceeding 100Gb/s progressed to the development stage for peripheral technologies needed for commercialization, including fusion splicing and inspection of 4-core MCF, polarity management and diameter reduction. - FY2023AdvancedAnnual report
「In fiscal 2022, to evaluate MCF with 4 cores within the standard cladding outside diameter, the company installed a cable incorporating 288-core, 4-core MCF in a duct, built a field link between buildings by fusion-splicing 576 input/output devices to both ends of the cable, and investigated its optical characteristics.」
Optical communications exceeding 100Gb/s progressed to the commercialization evaluation stage, including a field installation test between buildings using 4-core MCF cable and an investigation of its optical characteristics. - FY2022AdvancedAnnual report
「In fiscal 2021, the company developed a world-class 6912-core optical-fiber cable that was more than 10% smaller in diameter and lighter than the 6912-core optical cable released in fiscal 2020. It also expanded the Air Blown WTC product lineup by adding an 864-core type, doubling the previous maximum core count.」
For high-capacity, high-density optical communications, product development achievements included further reductions in the diameter and weight of the 6912-core cable and the addition of an 864-core type of Air Blown WTC. - FY2021AdvancedAnnual report
「The company also commercialized a 3000-core optical-fiber cable with the highest core count in Japan, adapted to Japan's telecommunications environment and achieving 1.5 times the density of conventional products.」
For high-capacity, high-density optical communications, additional commercialization-stage results included the commercialization of the 3000-core optical-fiber cable. - FY2020AdvancedAnnual report
「In fiscal 2019, the company developed Air Blown WTC (AB-WTCTM), a new product using Spider Web Ribbon®/Wrapping Tube Cable™ technology and suitable for installation by air blowing. It was fully adopted by British Telecommunications plc, the UK's largest telecommunications operator.」
For high-capacity optical communications technology, the company developed a derivative of a strategic product, leading to its full-scale adoption by a major UK telecommunications operator. - FY2019AdvancedAnnual report
「In fiscal 2018, the company developed and commercialized a 6912-core cable for the data-center market, making it the world's highest-count cable. It also newly developed Air Blown WTC for the European market, suitable for installation by air blowing.」
For higher-capacity optical communications, development and commercialization of the 6912-core cable and development of Air Blown WTC became concrete. Applied research also began on the commercialization of mass-market 4-core multicore fiber. - FY2018AdvancedAnnual report
「Multicore fiber, which has multiple cores within a single optical fiber, is a leading candidate for future high-capacity transmission. In fiscal 2017, the company focused on developing fiber with a high core count and the same outside diameter as currently used general-purpose optical fiber. It conducted the development jointly with Nippon Telegraph and Telephone Corporation, KDDI Research, Inc., Sumitomo Electric Industries,Ltd., Furukawa Electric Co.,Ltd., NEC Corporation and Chiba Institute of Technology, achieving the world's highest transmission rate of 118.5 terabits per second.」
For high-capacity optical communications, the company achieved transmission of 118.5 terabits per second using multicore fiber with the same outside diameter and multiple cores. - FY2017AdvancedAnnual report
「In the Japan-Europe collaborative development project SAFARI, launched in 2014, the company demonstrated transmission exceeding 1 Pbit/s using its 30-core fiber without complex electrical processing.」
For faster, higher-capacity optical communications, the company demonstrated transmission exceeding 1Pbit/s using 30-core fiber, and the commercialization of ultra-high-count, ultra-small-diameter, high-density optical cables is described. - FY2016First statedAnnual report
「The company is also advancing R&D on silicon photonics to increase the speed and capacity of optical communications networks beyond 100Gb/s.」
The aim is to reduce the size and power consumption of optical modulators and other components through silicon photonics.