Four superconducting cables link two large quantum processors into one
As quantum computers grow more ambitious, many researchers believe the best way forward is to build them in multiple interconnected parts.
As quantum computers grow more ambitious, many researchers believe the best way forward is to build them in multiple interconnected parts.
The short version
- In these modular designs, separate quantum processors are linked so they can work together as one larger machine.
- For this to happen, however, connections must carry fragile quantum information without destroying it.
- This article has been reviewed according to Science X's editorial process and policies .
What happened
Editors have highlighted the following attributes while ensuring the content's credibility: As quantum computers grow more ambitious, many researchers believe the best way forward is to build them in multiple interconnected parts. For superconducting processors, this means building reliable links around a meter (3.3 feet) long inside equipment chilled to just above absolute zero.
Why it matters
A team at IBM Research has now achieved this for the first time: joining two large superconducting processors using four separate high-quality quantum links, all installed after both chips were already in place.
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