We present strong enhancement of third harmonic generation in an amorphous silicon
metasurface consisting of elliptical nano resonators. We show that this enhancement …

There is a growing interest in obtaining robust ultrashort temporal characterization
techniques able to operate in different spectral ranges with different pulse bandwidths. Here …

Transparent conducting oxides exhibit giant optical nonlinearities in the near-infrared
window where their linear index approaches zero. Despite the magnitude and speed of …

In this work we broaden the amplitude modulation concept applied to the temporal
characterization of ultrashort laser pulses with the amplitude swing technique. We …

Frequency-resolved optical switching (FROSt) is a phase-matching-free characterization
technique for ultrashort pulses based on transient absorption in semiconductors. So far, this …

Spontaneous C4-symmetry breaking phases are ubiquitous in layered quantum materials,
and often compete with other phases such as superconductivity. Preferential suppression of …

The precise temporal characterization of laser pulses is crucial for ultrashort applications in
biology, chemistry, and physics. Especially in femto-and attosecond science, diverse laser …

High-energy-synthesized laser pulses through a nonlinear frequency-conversion process
with different characteristics, such as polarization, central wavelength, and pulse duration …

Background Accuracy in determining food authenticity, possible contamination, content
analysis, and even geographical origin is of considerable scientific and economic value. The …

This paper presents a second harmonic assisted spectrally resolved interferometric
technique that can overcome the limited spectral resolution of commercially available …