Caltech researchers have achieved a major breakthrough in photonics by developing a single chip that can generate coherent light across the entire spectrum—from visible to mid-infrared.
Revolutionizing Photonics
Alireza Marandi’s group at Caltech has engineered a highly efficient on-chip device that makes it possible to access any wavelength of light with precision. This innovation could dramatically advance applications in telecommunications, medical imaging, and environmental sensing. The chip’s compact size allows it to fit into many modern electronic systems, paving the way for integrated photonics to become more versatile and accessible. 
Wider Impacts
The ability to produce coherent light at any wavelength from a tiny device could revolutionize several industries. Researchers highlight that this technology will enable new possibilities in spectroscopy and quantum computing, where precise control of light is essential. As photonics continues to evolve, advancements like this position Caltech at the forefront of scientific innovation.
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