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Quantum competitions for military supremacy

There is nothing overtly military about Pascal. The company, founded by Nobel laureate in physics Allen Aspect, is a pioneer in quantum computer design. The machine, which the engineers are working on in their laboratory in the Palazzo, resembles an open box of less than one cubic meter, inside which a series of mirrors and apparatus are used to reflect and control the laser beam in a labyrinth. The laser interacts with the rubidium to “encode” the atoms, like electrical current codes in binary mode, zero or one, the information in a computer processor. In the infinitesimal quantum, we’re talking about qubits, and it’s much, much more complicated. “It’s like trying to slow down a truck by throwing ping-pong balls at it.– jokes the president of the company, Georges-Olivier Raymond, whose work made it possible to know how to isolate photons. Atop the chalkboard covered in equations in his office…

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Source: Le Figaro

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