[HTML][HTML] Ultrafast extreme ultraviolet photoemission without space charge

C Corder, P Zhao, J Bakalis, X Li, MD Kershis… - Structural …, 2018 - pubs.aip.org
Time-and Angle-resolved photoelectron spectroscopy from surfaces can be used to record
the dynamics of electrons and holes in condensed matter on ultrafast time scales. However …

Highly-stable mode-locked PM Yb-fiber laser with 10 nJ in 93-fs at 6 MHz using NALM

Y Yu, H Teng, H Wang, L Wang, J Zhu, S Fang… - Optics …, 2018 - opg.optica.org
We demonstrate highly stable mode-locked Yb-doped fiber oscillators using a nonlinear
amplifying loop mirror, delivering linearly polarized laser pulses with high energy at a low …

Enhancement of the second plateau in solid high-order harmonic spectra by the two-color fields

JB Li, X Zhang, SJ Yue, HM Wu, BT Hu, HC Du - Optics Express, 2017 - opg.optica.org
We theoretically investigate high-order harmonic generation (HHG) from solids in two-color
fields. It is found that under the premise of maintaining the same amplitude, the intensity of …

Orbital angular momentum from semiconductor high-order harmonics

D Gauthier, S Kaassamani, D Franz, R Nicolas… - Optics letters, 2019 - opg.optica.org
Light beams carrying orbital angular momentum (OAM) have led to stunning applications in
various fields from quantum information to microscopy. We examine OAM from the recently …

High quality-factor Kerr-lens mode-locked Tm: Sc2O3 single crystal laser with anomalous spectral broadening

A Suzuki, C Kränkel, M Tokurakawa - Applied Physics Express, 2020 - iopscience.iop.org
We report on a high quality-factor Kerr-lens mode-locked Tm: Sc 2 O 3 laser operating
around 2.1 μm. Using a simple four mirror Z-shaped cavity consisting of an output coupler …

Multichannel high-order harmonic generation from solids

TY Du, D Tang, XH Huang, XB Bian - Physical Review A, 2018 - APS
We studied the ultrafast dynamics of high-order harmonic generation (HHG) from solids
numerically. It is found that a superposition of Bloch oscillation in the same band and Zenner …

Defect detection using the phased-array laser ultrasonic crack diffraction enhancement method

F Gao, H Zhou, C Huang - Optics Communications, 2020 - Elsevier
The ultrasonic time-of-flight diffraction (TOFD) method has drawbacks such as blind areas
on the upper and lower surfaces during detection, a low signal-to-noise ratio (SNR) for …

Mid-infrared frequency comb with 6.7 W average power based on difference frequency generation

A Catanese, J Rutledge, MC Silfies, X Li, H Timmers… - Optics Letters, 2020 - opg.optica.org
We report on the development of a high-power mid-infrared frequency comb with 100 MHz
repetition rate and 100 fs pulse duration. Difference frequency generation is realized …

All-solid-state VUV frequency comb at 160 nm using high-harmonic generation in nonlinear femtosecond enhancement cavity

J Seres, E Seres, C Serrat, EC Young, JS Speck… - Optics express, 2019 - opg.optica.org
We realized a solid-state-based vacuum ultraviolet frequency comb by harmonics
generation in an external enhancement cavity. Optical conversions were so far reported by …

Nonadiabatic redshifts in high-order harmonic generation from solids

GR Jia, XH Huang, XB Bian - Optics Express, 2017 - opg.optica.org
We studied the multi-plateau high-order harmonic generation (HHG) from solids numerically.
It is found that the HHG spectra in the second and higher plateaus are redshifted in short …