In a study published in the journal Light: Science & Applications, researchers from Changchun Institute of Optics created a new type of quantum entanglement where photons are linked by frequency instead of path, achieving double the resolution of traditional methods.

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South Korea , Changchun , Jilin , China , Pohang , Kyongsang Bukto , Korea , Woncheol Shin , Dongjin Lee , Heedeuk Shin , Junyeop Kim , Changchun Institute Of Optics , Technology In Korea , Changchun Institute , Sebae Park , Professor Heedeuk Shin , Pohang University , Study First Author ,