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Photonics

Technology manipulating light for communications and computing

Fig. 273 · Prism

The field

At a glance

Definition

Technology manipulating light for communications and computing

Technologies

Silicon photonics integrates optical components on standard semiconductor wafers. LiDAR uses laser pulses to create 3D maps of environments. Optical interconnects move data between chips at the speed of light. Photonic computing performs certain computations using light for massive energy efficiency gains. Fiber sensing uses existing fiber optic cables as distributed sensors.

Applications

Optical transceivers move terabits of data between data center servers. LiDAR creates 3D maps for autonomous vehicles and industrial robots. Fiber sensing detects ground disturbances along pipeline and border routes. Photonic processors perform AI inference with 10-100x energy efficiency.

Market and funding

Photonics serves applications in telecommunications, computing, sensing, healthcare, and defense where light-based technologies offer fundamental advantages over electronics. With 8 funders. The market is being supercharged by AI's demand for optical interconnects.

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