Thinking on different wavelengths: New approach to circuit design introduces next-level quantum computing
phys.org/news/2026-01-wavelengths-approach-circuit-quantum.html
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Key FactsResearchers demonstrate photonic chips for smaller quantum systems
Mar 30, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: phys.org
Summary created with AI assistance · Source: phys.org
- 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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Photonic integrated circuits enable programmable non-Abelian 'braiding' of light states
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Ziff Davis Nov 13 25
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Key FactsIBM unveils Loon and Nighthawk with novel qubit connectivity
Nov 15, 2025 · Reading time: ~45 sec.
Summary created with AI assistance · Source: newscientist.com
Summary created with AI assistance · Source: newscientist.com
- Loon connects each qubit to six others; its vertical links are unprecedented among superconducting quantum computers.
- Nighthawk connects each qubit to four others; IBM says it ran programs 30 percent more complex in preliminary tests.
- IBM’s approach could enable error-free computations without requiring the construction of millions of qubits.
- IBM plans a modular quantum computer for 2026 that stores and processes information, informed by testing of Loon and Nighthawk.
"You're in theory land, you cannot realise that." And [now] we're going to show that [to be] wrong.— Jay Gambetta, IBM — on critics who claimed IBM's approach was theoretical and unrealisable, and the aim to prove them wrong.
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Nobel Prize in Physics awarded to quantum pioneers: The trio was awarded the prize for research on quantum tunneling, the second year in a row that IT-related ...
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