# UMass Amherst and UCSB Demonstrate Photonic Chip Technology for Miniaturized Quantum Systems

- slug: umass-amherst-and-ucsb-demonstrate-photonic-chip-technology-for-miniaturized-quantum-systems
- date: 2026-04-02
- category: Quantum Computing

A room-sized laser system just became a chip. The 99.6% fidelity number is what matters for quantum operations — and the sub-Hz linewidth is what makes it worth taking seriously.

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