• Breadcrumb MIT News Efficient cooling method could enable chip-based trapped-ion quantum computers Efficient cooling method could enable chip-based trapped-ion quantum computers Press Contact: Media Download *Terms of Use: Images for download on the MIT News office website are made available to non-commercial entities, press and the general public under aCreative Commons Attribution Non-Commercial No Derivatives license. • You may not alter the images provided, other than to crop them to size. • A credit line must be used when reproducing images; if one is not provided below, credit the images to “MIT.” Previous imageNext image Quantum computers could rapidly solve complex problems that would take the most powerful classical supercomputers decades to unravel. • But they’ll need to be large and stable enough to efficiently perform operations. • To meet this challenge, researchers at MIT and elsewhere are developing trapped-ion quantum computers based on ultra-compact photonic chips. • These chip-based systems offer a scalable alternative to existing trapped-ion quantum computers, which rely on bulky optical equipment.

Article Summaries:

  • MIT and MIT Lincoln Laboratory researchers have demonstrated a faster, more energy‑efficient cooling technique for trapped‑ion quantum computers built on ultra‑compact photonic chips. By integrating precisely designed antennas into a photonic chip, the team achieved ion temperatures roughly ten times lower than the limit of conventional laser cooling. This advancement addresses a key bottleneck-efficient cooling-in chip‑based trapped‑ion systems, which traditionally rely on bulky optical setups. The work, published in Light: Science and Applications and Physical Review Letters, marks a significant step toward scalable, stable quantum computing architectures that could outperform current large‑scale trapped‑ion platforms.

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