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 Internet.org’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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