Magnetic-Free Optical Mode Degeneracy Lifting in Lithium Niobate Microring ResonatorsRemoveXin-Biao Xu, Zheng-Xu Zhu, Yuan-Hao Yang, Jia-Qi Wang, Yu Zeng, Jia-Hua Zou, Juanjuan Lu, Yan-Lei Zhang, Weiting Wang, Guang-Can Guo, Luyan Sun, and Chang-Ling ZouPhys. Rev. Lett. 136, 143802 (2026)
