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The latest trends in nanophotonics

Recent explosive growth in nanophotonics, ignited by the rapidly developing nanotechnologies, has demonstrated that light exhibits extraordinary light – matter interactions with subwavelength-scale structures. Such exotic light behaviors not only manifest the importance of searching for unprecedented optics but also suggest the possibility of real-world applications in the visible range. Indeed, recent progress in nanophotonics has revealed that nanophotonic-based devices and applications can be powerful candidates for replacing the conventional bulky optical components in a compact manner. The International Conference on Metamaterials, Photonic Crystals, and Plasmonics (META) is an annual conference for nanophotonics research. It especially covers a variety of research in metamaterials, photonic crystals, plasmonics, and nanophotonic devices and applications. The latest conference, META ’ 21, was held online due to the COVID-19 pandemic (July 20 – 23, 2021), where the latest developments in nanophotonics, metamaterials, and related topics were livestreamed across the world. This special issue “ The latest trends in nanophotonics ” introduces a collection of invited and selected research and review articles from the conference.