Metamaterials are rationally designed composites aiming at effective material parameters
that go beyond those of the ingredient materials. For example, negative metamaterial …

On-chip integration of optical comb sources is crucial in enabling their widespread use.
Integrated photonic devices that can be mass-manufactured in semiconductor processing …

In recent decades, much research effort has been invested in the development of photonic
integrated circuits, and silicon-on-insulator technology has been established as a reliable …

The conventional process for develo** an optimal design for nonlinear optical responses
is based on a trial-and-error approach that is largely inefficient and does not necessarily …

Nonlinear optical (NLO) materials are an interesting class of compounds that have found
application in many aspects of our ordinary lives. Solid-state NLO materials can be classified …

Rice is the third most important crop worldwide. Unfortunately, in most rice-producing
countries, crop residues are burned, increasing emissions of greenhouse gases and toxic …

In this Letter, we present systematic studies of the second-harmonic generation (SHG)
behaviors of lithium niobate (LN) thin film, including comprehensively evaluating its second …

We report on our investigation of structural defect and strain formation in electrodegraded
reduced and oxidized, Fe‐doped SrTiO3 (Fe: STO) single crystals using optical second …

Photophysical properties including the first hyperpolarizability of a series of chromophores
(SP1-SP5) possessing “push-pull” type conjugation were investigated to evaluate the …

Second‐order nonlinear optical processes enable a wide range of applications used in
research and industry. The majority of available second‐order nonlinear devices however …