Inverse design method for periodic and aperiodic metasurfaces based on the adjoint-method: metalens with random-like distributed nano-rods

no code implementations • 3 Mar 2021 • Kofi Edee, Mauro Antezza, Brahim Guizal

In this paper, we introduce a new concept of adjoint-based topology optimization that enables fast and efficient geometry based design of both periodic and aperiodic metasurfaces.

Optics Computational Physics

Dynamical Polarizability of Graphene with Spatial Dispersion

no code implementations • 9 Jan 2021 • Tao Zhu, Mauro Antezza, Jian-Sheng Wang

We perform a detailed analysis of electronic polarizability of graphene with different theoretical approaches.

Mesoscale and Nanoscale Physics Materials Science