Researchers demonstrated how they could use a quantum effect known as nonlinearity to modify and detect weak light signals.
The development eventually could be used in personal electronics devices.
But dont expect to see a quantum gadget in Best Buy anytime soon.

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Even minor changes to the way these chips are manufactured take many years to deploy."
“Researchers have wondered whether detectable nonlinear effects can be sustained at extremely low power levelsdown to individual photons.
One key challenge the researchers had to overcome was how to control the quantum dots.

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“They will enable ubiquitous IoT networks to be configured and deployed.
The human race is swimming in batteries from smartphone to fire alarms, Hanson said.
Technologies that accomplish this goal of ‘sipping less power’ are critical.”