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New techniques Research from DTU

Fujikura & NTT is notable in that the team was able to reduce the power consumption of the optics to around 5% compared with more mainstream techniques, which could lead to a new generation of very power efficient optic components.

Year Organization Effective speed No. of Propagation Modes No. of cores WDM channels (per core) Per-channel speed Distance
2018 Hao Hu, et al. (DTU, Fujikura & NTT)[39] 768 Tbit/s
(661 Tbit/s) Single-mode 30 80 320 Gbit/s

Research conducted by the RMIT University, Melbourne, Australia, have developed a nanophotonic device that has achieved a 100 fold increase in current attainable fiber-optic speeds by using a twisted-light technique.

]This technique carries data on light waves that have been twisted into a spiral form, to increase the optic cable capacity further, this technique is known as orbital angular momentum (OAM).
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The nanophotonic device uses ultra-thin topological nanosheets to measure a fraction of a millimeter of twisted light, the nano-electronic device is embedded within a connector smaller than the size of a USB connector, it fits easily at the end of an optical fiber cable.

The device can also be used to receive quantum information sent via twisted light, it is likely to be used in a new range of quantum communication and quantum computing research.[41]

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