The researchers will test if their tech can produce and detect quantum entanglement in space.
Project Icarus is creating a living map of Earth’s animalsThe project has a three-part goal on the ISS: create the entanglement, distribute the entanglement, and detect the entanglement.
“We create them in some way so that they’re correlated in some of their properties. In our case, the photons are entangled in their polarization,” Kwiat says. “Polarization is the wiggle direction, or the oscillation direction of the light.” An everyday example of a polarized system is 3D glasses for movies, where each lens sees light going in a different direction. “No matter how you look at [the photons], there’s always correlations between them,” he adds.
Because the photons are precious and limited, the researchers need to make sure that they can see the ones that they get, which means they have to cut out any noise that comes through the detectors. It’s not yet certain how this long-distance communications will ultimately link up to an individual quantum computer. There are many different ideas about how entangled photons could be connected to quantum devices, mainly because there are lots of ideas about what a quantum computer should even look like.However, some quantum technologies in development do interact with photons.
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