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About

Cheng Hung Chu is a leading figure in nanophotonics and meta-optics, renowned for pioneering advances in flat, multifunctional optical devices. His most celebrated contribution is the development of the first achromatic metalens array for full-colour light-field imaging, a breakthrough published in 2019 that has garnered over 660 citations. This work overcame a fundamental challenge in conventional optics—chromatic aberration—by using a gallium nitride (GaN) nano-antenna array to focus all visible wavelengths simultaneously, enabling compact, high-quality imaging systems. Chu’s research centers on designing meta-lenses—ultra-thin, lightweight, and customizable optical components—that promise to revolutionize imaging, sensing, and display technologies. His notable work, “Meta-Lens in the Sky,” further demonstrates the practical integration of these devices into camera systems, highlighting their potential for drones, augmented reality, and space-based applications. By merging nanofabrication with computational design, Chu has established himself as a key innovator in the next generation of flat optics, inspiring both fundamental studies and real-world deployments in photonics.