Nature CommunicationsHyper-spectral photonic integrated circuits based on recursive inverse designHao HeZengji TuYuanlei WangHongyan ZhaoChuangxin FengYongzhuo ZhouYujun ChenRuoao YangLei ZhangJianjun WuQi-Fan YangLin Chang2026-08-11Full textDOI https://doi.org/10.1038/s41467-026-76328-3