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Modular, Scalable Hardware Architecture for a Quantum Computer

A new quantum-system-on-chip enables the efficient control of a large array of qubits, moving toward practical quantum computing

In the future, the researchers could boost the performance of their system by refining the materials they used to make qubits or developing more precise control processes. Photo by Markus Spiske on Unsplash

Adam Zewe
Tue, 06/11/2024 - 12:02
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Quantum computers promise the ability to quickly solve extremely complex problems that might take the world’s most powerful supercomputer decades to crack.

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But achieving that performance involves building a system with millions of interconnected building blocks called qubits. Making and controlling so many qubits in a hardware architecture is an enormous challenge that scientists around the world are striving to meet.

Toward this goal, researchers at MIT and MITRE have demonstrated a scalable, modular hardware platform that integrates thousands of interconnected qubits onto a customized integrated circuit. This “quantum-system-on-chip” (QSoC) architecture enables the researchers to precisely tune and control a dense array of qubits. Multiple chips could be connected using optical networking to create a large-scale quantum communication network.

By tuning qubits across 11 frequency channels, this QSoC architecture allows for a new proposed protocol of “entanglement multiplexing” for large-scale quantum computing.

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