The study demonstrates high‐quality pulsed‐laser‐deposited (PLD) barium titanate (BTO)
thin‐films on a magnesium oxide substrate. The frequency response of the relative …

The quest of a nonlinear optical material that can be easily nanostructured over a large
surface area is still ongoing. Here, we demonstrate a nanoimprinted nonlinear barium …

Metal‐oxides are promising candidates to substitute silicon in intra‐chip optical
interconnects, as they exhibit great electric field tuning capabilities. The development of …

The ability to engineer nonlinear optical emission from nanostructures is a key challenge to
create efficient and compact components for integrated devices. This paper shows a method …

Autofocus systems are essential in optical microscopy. These systems typically sweep the
sample through the focal range and apply an algorithm to determine the contrast value of …

Three dimensional (3D) nonlinear photonic crystals are one of the potential candidates for
enabling photonic circuits. Most of the current top‐down fabrication approaches for such …

A simple visual focusing and alignment technology for digital lithography, which requires
only one imaging system to capture both focusing and alignment information, is proposed …

In Raman spectroscopy, it is crucial to focus the laser on the sample in order to guarantee
the intensity and repeatability of the characteristic peaks, which is known as autofocus. In …

This paper presents a passive autofocus algorithm applicable to interferometric
microscopes. The proposed algorithm uses the number of slope variations in an image mask …

Engineering nonlinear optical responses at the microscale is a key topic in photonics for
achieving efficient frequency conversion and light manipulation. Gallium nitride (GaN) is a …