Stabilized laser components could shrink quantum computers from room- to chip-scale
phys.org/news/2026-03-stabilized-laser-components-quantum-room.html
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Researchers demonstrate photonic chips for smaller quantum systemsScientists in Massachusetts and California demonstrate laser components that could shrink quantum computers and make optical clocks portable.
- Researchers showed for the first time that small photonic chips can replace large precision lasers and control trapped ions for qubit and clock operations.
- The demonstrated components could reduce portions of quantum hardware from room-sized systems to the size of a deck of cards.
- The system already achieves high-fidelity qubit state preparation and measurement, but has not yet matched state-of-the-art clock performance.
- The next goal is integrating the ion trap, laser, optical cavity, and other photonics onto one chip.
"You can't have football fields full of lasers and optics. It's just not going to work. Integration is the only viable path."— Robert Niffenegger, assistant professor of electrical and computer engineering at the University of Massachusetts Amherst, quoted in the Phys.org article about chip-scale stabilized Brillouin lasers and integrated quantum photonics.
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