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illustration of frequency comb
A single input laser, left, enters the spherical frequency comb generator that includes a single layer of organic molecules. The light orbits inside the sphere over 10,000 times in a few nanoseconds, interacting with the molecules during each orbit and resulting in the generation of the frequency comb. (Illustration/Alexa Hudnut and Vinh Diep)

What we know about encryption and how it could improve cybersecurity

USC researchers develop a powerful tool using pulses of light to translate and protect data.