Tunable Chiral Terahertz Radiation With Colossal Circular Nonlinear Optical Response From Two‐Dimensional Perovskites
Chirality is a fundamental geometric property endowing materials with distinct optical behaviors, pivotal in the frontier of nonlinear optics and photonics. Chiral two‐dimensional (2D) hybrid organic‐inorganic perovskites (HOIPs) integrate intrinsically broken inversion symmetry with molecular chirality, offering e...