Abstract
In this work, we describe the third‐ and fourth‐rank tensors of body‐ and face‐centered cubic systems and derive the s‐ and p‐polarized SHG far field using the simplified bond‐hyperpolarizability model. We also briefly discuss bulk nonlinear sources in such structures: quadrupole contribution, spatial dispersion, electric‐field second‐harmonic generation, and third‐harmonic generation, deriving the corresponding fourth rank tensor. We show that all the third‐ and fourth‐rank tensorial elements require only one independent fitting parameter.
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