Researchers have developed a surface acoustic wave (SAW) phonon laser that generates 'the tiniest earthquakes imaginable.'
In the future, advanced smartphones might be powered by a controlled, microscopic earthquake .Researchers from the University of Colorado Boulder, the University of Arizona, and Sandia National Laboratories have developed a surface acoustic wave phonon laser .
This device generates “the tiniest earthquakes imaginable”— high-frequency vibrations that travel across the surface of a microchip.“Think of it almost like the waves from an earthquake, only on the surface of a small chip,” said Alexander Wendt, a graduate student at the University of Arizona and lead author of the new study.The tech could lead to better smartphone chips, making our phones smaller, faster, and much more efficient than they are today.Use of phonon laser Surface acoustic waves are vibrations that travel exclusively across the top layer of a material — much like the seismic ripples of an earthquake, but on a microscopic scale. While large SAWs can topple buildings, these tiny versions are essential to modern electronics, serving as precision filters in smartphones, GPS, and radar systems.Every time you send a text or check GPS, your phone is already using these waves. These are tiny vibrations that act as filters, scrubbing out background noise so your data stays clear. But current tech is bulky. It requires multiple chips and operates at around 4 gigahertz.The new study explores a unique approach to making SAWs using a phonon laser. Operating like a standard laser pointer that emits vibrations instead of light, this new device streamlines the generation of surface acoustic waves. The current technology often uses multiple chips and complex power setups, but this new device integrates everything onto a single chip. Moreover, this compact design runs on a simple battery while achieving higher frequencies than previously possible.Future of all-in-one chipsThe device has been designed to mirror the mechanics of a diode laser, the industry standard for modern electronics. Standard lasers create powerful beams by bouncing light between microscopic mirrors to stimulate more light production; this new tool uses the same principle to amplify vibrations. “Diode lasers are the cornerstone of most optical technologies because they can be operated with just a battery or simple voltage source, rather than needing more light to create the laser, like a lot of previous kinds of lasers,” explained Matt Eichenfield, senior author. “We wanted to make an analog of that kind of laser but for SAWs,” the author added. The researchers engineered a tiny, bar-shaped device — measuring just half a millimeter — composed of a specialized material “stack.” It starts with a standard silicon base, topped with a layer of lithium niobate, a piezoelectric material that bridges the gap between electricity and physical motion. The final layer is a thin film of indium gallium arsenide that supercharges electron flow. Together, this configuration allows surface vibrations and high-speed electrons to interact directly, creating the perfect environment for amplifying acoustic waves.When the battery kicks in, vibrations slosh back and forth like waves in a pool. With every pass, they get stronger. This device has already achieved 1 gigahertz with the potential to scale into the hundreds of gigahertz.Currently, your phone is a jigsaw puzzle of different components. The development allows engineers to cram every radio part — receivers, filters, and transmitters — onto a single chip. It could mean phones that are thinner, batteries that last days longer, and wireless speeds that make current 5G look like dial-up.The study was published in the journal Nature on January 14.
Microchip Microscopic Earthquake Phonon Laser Smartphones Surface Acoustic Wave
United States Latest News, United States Headlines
Similar News:You can also read news stories similar to this one that we have collected from other news sources.
The Weirdest Gadgets We Saw at CES 2026As usual, the biggest consumer electronics show in the world did not disappoint in the wacky gadget department.
Read more »
Researchers Discover Previously Unknown Species in Utah’s Great Salt LakeAnd they've proposed two 'kind of crazy' ideas for how it got there.
Read more »
Researchers locked flu patients in a hotel with healthy adults — no one got sickFox News Channel offers its audiences in-depth news reporting, along with opinion and analysis encompassing the principles of free people, free markets and diversity of thought, as an alternative to the left-of-center offerings of the news marketplace.
Read more »
Uvalde teacher who survived class shooting testifies he saw 'black shadow with a gun'A teacher who survived the 2022 shooting inside a Robb Elementary school classroom in Uvalde, Texas, told a jury the attack began with a “black shadow” with a gun walking inside.
Read more »
Uvalde teacher who survived class shooting testifies he saw 'black shadow with a gun'A teacher who survived the 2022 shooting inside a Robb Elementary school classroom in Uvalde, Texas, told a jury the attack began with a “black shadow” with a gun walking inside.
Read more »
Uvalde teacher who survived class shooting testifies he saw 'black shadow with a gun'A teacher who survived the 2022 shooting inside a Robb Elementary school classroom in Uvalde, Texas, told a jury the attack began with a “black shadow” with a gun walking inside.
Read more »