Capture optical light in free space for high speed wifi


Visible and infrared light can carry more data than radio waves, but has always been confined to a hard-wired fiber optic cable. Work with Facebook’s Connectivity Lab, a research team from Duke has now made a major step towards the dream of ditching fiber into fiber optics. While working to create a free space optical communication system for high speed wireless internet, the researchers also show that the speed and efficiency properties previously demonstrated on tiny single-unit plasmonic antennas can also be obtained on larger devices at the centimeter scale.

The research appears online Feb. 11 in the journal Optica.

In 2016, researchers from’s Connectivity Lab, a subsidiary of Facebook- describes a new type of light detector that could potentially be used for optical communication in free space. Traditionally, wired fiber optic connections can be a lot.

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