Pulse Position Camera (12753886624)
This NIST device, 1.5 by 3 centimeters in outer dimensions, is a prototype receiver for laser communications enabling much higher data rates than conventional systems. Superconducting detectors in the center of the small square chip register the timing and position of single particles of light.
See also www.nist.gov/pml/div686/photons-021114.cfm
Credit: Verma and Tomlin/NIST
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