'Quantum memory breakthrough' may lead to a quantum internet

We're now one step closer to a"quantum internet" — an interconnected web of quantum computers — after scientists built a network of"quantum memories" at room temperature for the first time.

Quantum memory is the quantum version of binary computing memory. While data in classical computing is encoded in binary states of 1 or 0, quantum memory stores data as a quantum bit, or qubit, which can also be a superposition of 1 and 0. If observed, the superposition collapses and the qubit is as useful as a conventional bit.

As the name implies, the quantum internet is an internet infrastructure that relies on the laws of quantum mechanics to transmit data between quantum computers. But we need quantum memory for a quantum network to function. Because qubits adopt a superposition of 1 and 0, rather than either binary state as in classical computing, they can store and transmit more information with far greater density than conventional networks.

This makes it more viable than previous experiments in designing and deploying a quantum internet in the future. However, they could only store the photons in this experiment for a fraction of a second, while storing qubits at cryogenic temperatures normally means they can last for more than an hour.

RELATED STORIES—Scientists just built a massive 1,000-qubit quantum chip, but why are they more excited about one 10 times smaller?

Source: Tech Daily Report (techdailyreport.net)

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