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On August 11, 2026, a research article titled "Hyper-spectral Photonic Integrated Circuit Based on Recursive Inverse Design" was published in the prestigious academic journal Nature Communications by Chang Lin's team from the School of Electronics and Yang Qifan's team from the School of Physics at Peking University. In this groundbreaking study, the team introduced, for the first time, the recursive inverse design algorithm. This innovative approach overcame the computational constraints traditionally associated with optical chip design by employing multi-scale simulation techniques, thereby enabling the automated design of the entire link structure. The hyper-spectral photonic chip developed through this method exhibited significantly enhanced performance, marking a substantial advancement in the field.
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