Physicists have created a quantum optical transistor based on electromagnetically induced transparency.
Physicists at the Max Planck Institute of Quantum Optics have created a system based on a single atom that they’re calling a quantum optical transistor.
The process relies on a technique called electromagnetically induced transparency where one beam of light controls the properties of another, much as the gate voltage controls current through a regular transistor.
An ideal quantum optical transistor would have a contrast of 100 percent between on and off states. The Max Planck scientists have achieved a contrast of 20%.
This development could pave the way for storing and manipulating information on the quantum scale.
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