Chip-Scale Device Controls Sound Waves Like Real Atoms
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Researchers at Virginia Tech have developed a chip-scale device that controls microscopic sound waves to mimic the behavior of real atoms, a novel approach to tackling the challenges of shrinking microprocessor size. Linbo Shao, assistant professor in Virginia Tech’s Bradley Department of Electrical and Computer Engineering, worked with colleagues at the university’s Center for Power Electronic Systems to create what they call an acoustic atom that traps and manipulates sound waves at a quantum scale. “In nature, an atom has distinct energy levels that electrons can jump between,” Shao said. “Our acoustic atom is a device with distinct energy levels for acoustic waves.” Published in Physical Review Letters, this innovation could impact technologies ranging from quantum artificial intelligence and telecommunication to medical imaging and GPS, offering a more compact and sustainable way to process signals.
Acoustic Atom Mimics Atomic Energy Levels Researchers at Virginia Tech have engineered a device that replicates key behaviors of atoms using sound waves, potentially offering a pathway to overcome limitations in shrinking microprocessor size. This approach addresses the challenges of controlling quantum-scale systems as components become increasingly miniaturized, a problem exacerbated by unintended signal interactions and the short lifespan of quantum information. Unlike electromagnetic waves, acoustic waves can be confined to a remarkably small area and sustain information or energy for extended periods, offering advantages for signal processing and quantum technologies. This innovation could impact a wide range of applications, including quantum artificial intelligence, telecommunication, medical imaging, and GPS systems. The research was published in Physical Review Letters by Linbo Shao, assistant professor, along with colleagues at the university’s Center for Power Electronic Systems, Department of Physics, and Center for Quantum Information Science and Engineering, as well as the Oak Ridge National Laboratory. Shao anticipates future developments, stating, “Ultimately, we hope this platform provides a new, highly compact way to process signals and perform analog acoustic computing directly on a chip.” This device utilizes electrical signals to govern the behavior of these tiny sound waves, offering a novel pathway for signal processing and quantum technologies, unlike traditional approaches. The device’s functionality stems from creating distinct energy levels for acoustic waves, mirroring the quantized energy levels found in atomic structures. Our acoustic atom is a device with distinct energy levels for acoustic waves. Potential Applications for Quantum Technologies This approach offers a potential solution to challenges like scalability and signal interference that plague current quantum systems, where unintended interactions and limited information lifetimes are significant hurdles. The device’s ability to confine acoustic waves to a microscopic footprint and sustain information for extended periods opens doors to improved microwave communication components and more efficient signal routing. Researchers envision acoustic atoms contributing to analog computing systems, offering a pathway to perform calculations directly on a chip, and they also anticipate applications in highly sensitive sensing technology and interfaces for quantum hardware, potentially revolutionizing fields like medical imaging and GPS systems. The device’s compact nature could enable more precise and efficient data transmission. There’s a long way to get this down to the single phonon level, but we’re optimistic that all those will happen soon by collaborating with Virginia Tech Center for Quantum Information Science and Engineering and Center for Power Electronic Systems faculty. Source: https://news.vt.edu/articles/2026/05/eng-ece-quantum-acoustic-atom-linbo-shao.html Stay current. See today’s quantum computing news on Quantum Zeitgeist for the latest breakthroughs in qubits, hardware, algorithms, and industry deals. Tags: Dr. Donovan Dr. Donovan is a futurist and technology writer covering the quantum revolution. Where classical computers manipulate bits that are either on or off, quantum machines exploit superposition and entanglement to process information in ways that classical physics cannot. Dr. Donovan tracks the full quantum landscape: fault-tolerant computing, photonic and superconducting architectures, post-quantum cryptography, and the geopolitical race between nations and corporations to achieve quantum advantage. The decisions being made now, in research labs and government offices around the world, will determine who controls the most powerful computers ever built. Latest Posts by Dr. Donovan: QuiX Quantum’s Unit Responds to Quantum Measurements in Real Time June 5, 2026 Lead Swap Extends Topological Qubit Parity Lifetime 1000× June 5, 2026 KPMG’s Seven Steps Build Quantum Resilience for Businesses June 5, 2026