Rice-sized laser signals major step forward for quantum computing

January 19, 2015 9:03 AM

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Rice-sized laser signals major step forward for quantum computing

A laser the size of a grain of rice has been developed that demonstrates a major step forward in the development of quantum computers.

Researchers at Princeton University built the microwave laser, or "maser", using thin nanowires to link up artificial atoms known as quantum dots. By joining them together to form "double dots" it proved possible to use them as quantum bits (qubits) - a key component of quantum computers.

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