Google’s Project Taara is essentially a silicon photonic chip that uses light to transmit high-speed data through the air. This version, called Taara Lightbridge, uses software to steer, track, and correct the beam of light without bulky moving parts, all in a package the size of a fingernail.
Taara utilizes a very narrow, invisible light beam to transmit data at speeds as high as 20 gigabits per second (Gbps), up to distances of 12.4 miles (20 kilometers). What makes this possible are hundreds of tiny light emitters, and by using software to control when each of these emit light, engineers can manipulate the light’s wavefront and direct it where it needs to go. The team at Moonshot Factory labs successfully transmitted data at 10 Gbps (gigabits per second) over distances of 0.62 miles (1 kilometer) outdoors using two Taara chips.
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Taara’s journey began with a bold question: could we harness the speed of light to deliver data without the need for cables? For the past seven years, my team has been on a mission to provide abundant, fast, affordable internet connectivity using beams of light. Today, I’m excited to share an important milestone: our next-generation Taara chip,” said Mahesh Krishnaswamy, General Manager, Taara.
[Source]
