'Earthquake on a chip' uses 'phonon' lasers to make mobile devices more efficient

January 23, 2026 - 22:11

A groundbreaking new technology is harnessing the power of microscopic, earthquake-like vibrations to potentially revolutionize the design of smartphones and other wireless devices. Dubbed an "earthquake on a chip," the system utilizes specialized "phonon" lasers to generate precise, controlled vibrations at the smallest scale.

Phonons are essentially particles of sound or vibrational energy, analogous to how photons are particles of light. By creating a laser-like beam of these coherent phonons, researchers can manipulate and control mechanical vibrations on a semiconductor chip with unprecedented precision. This control over vibrational energy is a critical advancement for the filters and oscillators that are fundamental components in every mobile device.

Currently, these components are relatively bulky and consume significant power. The new phononic technology promises to shrink them dramatically while drastically improving their energy efficiency. This could lead to a new generation of sleeker mobile devices with substantially longer battery life, as more of the phone's power could be dedicated to core functions rather than signal processing. The innovation represents a significant leap forward in the quest for more compact and power-efficient consumer electronics.