Sound waves do double duty, carrying and protecting quantum information

Physicists Use Sound Waves to Keep Quantum Information from Slipping Away

A team of physicists at the Harvard John A. Paulson School of Engineering and Applied Sciences has found that a steady stream of sound waves can shield a fragile quantum bit from its own noisy surroundings, nearly tripling how long it holds information. The post Physicists Use Sound Waves to Keep Quantum Information from Slipping Away appeared first on Sci.News: Breaking Science News.

Sound waves do double duty, carrying and protecting quantum information

Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have demonstrated a promising new way to protect fragile quantum information using nothing but mechanical vibrations—essentially extremely small sound waves. The breakthrough, which comes from the lab of Marko Lončar, Tiantsai Lin Professor of Electrical Engineering, paves a path toward compact, sound-based quantum networks on chips, as well as hybrid quantum systems that combine many different types of quantum bits, or qubits.

Preventing Quantum Information Leakage: Physicists Harness Sound Waves

Harvard Physicists Discover Sound Waves Extend Qubit Coherence cornell others. We demonstrate complete mechanical coherence protection of silicon vacancy spins in diamond. Image credit: Cornell University others., doi: 10.1038/s41567-026-03369-2. “A new quantum network idea leverages electron spins in diamond as memory and phonons as information carriers,” explained Harvard researcher Eliza Cornell and team. “Phonons provide [...] The post Preve…

Sound waves shield qubits from noise and triple coherence time (w/video)

Continuous sound waves protect diamond spin qubits from environmental noise, tripling coherence time and advancing compact phonon-based quantum networks.