2 papers
physics.optics2026
1-GHz VIS-to-MIR frequency combs enabled by CMOS-compatible nanophotonic waveguides
Xuan Zhang, Yuchen Wang, Junguo Xu +8
A fully stabilized frequency comb is essential for precision metrology and coherent optical synthesis. However, fully-stabilized frequency combs generally require separate stages f…
physics.optics2025
10-W Sub-100-fs Ultrafast Cr:ZnS/ZnSe MOPA System enabled by doping gradient engineering
Guangzi Feng, Xiyue Zhang, Yuchen Wang +9
We report on a high-power mid-infrared femtosecond master oscillator power amplifier (MOPA) system, employing Cr:ZnS and Cr:ZnSe polycrystals with fine-tuned doping profiles. Based…