The compactness and programmable versatility make metasurface a promising candidate
for optical information encryption and storage. The typical strategy for storage capacity …

Recently, materials with vanishingly small permittivity, known as epsilon‐near‐zero (ENZ)
media, emerged as promising candidates to achieve nonlinear optical effects of …

We propose the inverse design of ultracompact, broadband focusing spectrometers based
on adaptive diffractive optical networks (a-DONs). Specifically, we introduce and …

We propose an efficient inverse design approach for multifunctional optical elements based
on adaptive deep diffractive neural networks (aD^ 2NNs). Specifically, we introduce aD …

We design and characterize a novel axilens-based diffractive optics platform that flexibly
combines efficient point focusing and grating selectivity and is compatible with scalable top …

We propose a novel framework for the systematic design of lensless imaging systems based
on the hyperuniform random field solutions of nonlinear reaction-diffusion equations from …

We design and characterize compact phase-modulated axilens devices that combine
efficient point focusing and grating selectivity within four-level phase mask configurations …

Due to the ever-increasing demands of highly integrated optical devices in imaging,
spectroscopy, communications, and so on, there is a compelling need to design and …

Engineering isotropic aperiodic structures for lensless imaging systems Page 1 Engineering
isotropic aperiodic structures for lensless imaging systems Yuyao Chen1, Wesley A. Britton2 …

An optical element includes a substrate and a pattern. The substrate has a top surface and a
bottom surface. The pattern is provided on the top surface. The pattern includes multiple …