Birefringence‐Driven Anisotropic α‐MoO3 Dual‐Wavelength Optical Cavities. - Xie, Jia‐Liang; Wang, Ting‐Ting; Liu, Chen‐Kai; Mei, Rui; Zhang, Li‐Fa; Lin, Miao‐Ling; Tan, Ping‐Heng (Advanced Functional Materials, 2026)