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Physical Qubit with Built-In Error Correction


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Photonics.

Researchers recently demonstrated a new means of constructing a photonic quantum computer.

Credit: Pixabay/CC0 Public Domain

Researchers at Japan's University of Tokyo, Germany's Johannes Gutenberg University Mainz (JGU), and the Czech Republic's Palacký University Olomouc demonstrated that a laser-generated light pulse containing several photons can be used to build a photonic quantum computer.

JGU's Peter van Loock explained, "Our laser pulse was converted to a quantum optical state that gives us an inherent capacity to correct errors. Although the system consists only of a laser pulse and is thus very small, it can – in principle – eradicate errors immediately."

From Johannes Gutenberg University of Mainz (Germany)
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