AI Insight
Researchers have developed an ultrathin optical device that can be reprogrammed using laser light without requiring electrical connections or electrodes. The device represents a potential alternative to traditional electronic components that are typically fixed in function and require significant energy for operation, particularly in applications like AI computing where electrical signals constantly flow through chips to process information. This laser-based reprogramming approach could enable more adaptable and energy-efficient systems.
Why it matters
The technology could reduce energy consumption in computing applications, including AI systems like large language models that currently require substantial power for processing. It may enable the development of reconfigurable devices for computing, imaging, and telecommunications that can change their function without physical modification or component replacement.
Understand the Science
A tiny device that can be reprogrammed using a laser could lead to adaptable devices for computing, imaging and telecommunications. Most devices are built to perform a particular job. If you want them to do something different, you generally need to replace a component, rewire the system or manufacture a new one. For example, every time you ask a large language model like ChatGPT or Claude a question, many electrical signals race through computer chips, carrying information and performing calculations. This takes energy, and lots of it.
Source: Laser temporarily reprograms ultrathin optical device without electrodes