We specifically demonstrate a hybrid nonlinear meta-lens composed of a plano-convex linear refractive lens coated with a 400 nm thick nonlinear metasurface membrane. We show that the resulting hybrid ...

Key methods include Kirchhoff Migration, a ray-theory-based approach; wave-equation-based techniques such as Reverse Time Migration (RTM); and Gaussian Beam Migration (GBM), which combines the ...

To mitigate this issue, we propose a least-squares Gaussian beam migration (LSGBM) method for vertical transverse isotropic (VTI) media. Based on an efficient VTI ray tracing, we first derive the Born ...