Nonlinear Metamaterials: Breaking the Dipole Approximation

Autor: Omri Wolf, Igal Brener, Yuanmu Yang
Rok vydání: 2017
Předmět:
Zdroj: Conference on Lasers and Electro-Optics.
DOI: 10.1364/cleo_at.2017.jtu5a.45
Popis: Second order nonlinearity vanishes for centrosymmetric materials in the dipole approximation. For metamaterial this means second-harmonic-generation is negligible in highly symmetric meta-atoms. We show a new type of meta-atom in which the dipolar approximation breaks down.
Databáze: OpenAIRE