We present a method based on the scattering T operator, and conservation of net real and
reactive power, to provide physical bounds on any electromagnetic design objective that can …

In this paper, we introduce an energy constraint to improve topology-based inverse design.
Current methods typically place the constraints solely on the device geometry and require …

Room-temperature single-photon sources (SPSs) are critical for emerging practical quantum
applications such as on-chip photonic circuity for quantum communications systems and …

The optimal design of nanoparticles with respect to their optical properties is one of the main
foci within nanoparticle technology. In this contribution, we suggest a new design …

In this paper, we present the experimental results for integrated photonic devices optimized
with an energy-constrained inverse design method. When this constraint is applied …

Shape optimization approaches to inverse design offer low-dimensional, physically-guided
parameterizations of structures by representing them as combinations of shape primitives …

Waveguide bend is one of the indispensable fundamental devices in building various
integrated optical circuits. It is commonly used so that its footprints would affect the …

A new optimization method based on the topological derivative concept is developed for the
electromagnetic design problem. Essentially, the purpose of the topological derivative …

The inverse-designed photonic device, with the characteristics of high performance and ultra-
high compactness, is suitable for on-chip photonics applications. The gradient-based …

Here, we introduce an efficient method to perform pixel-by-pixel optimization of photonic
devices, based on the Dyson equation in the Green's function formalism. Unlike continuous …