3 papers
physics.optics2026
A fully integrated dispersion-managed femtosecond mode-locked laser
Xurong Li, Xuan Yang, Zheru Qiu +7
Femtosecond lasers underpin applications ranging from material processing to corneal surgery, while their regular pulse trains form optical frequency combs that have revolutionized…
physics.optics2025
High-pulse-energy integrated mode-locked lasers based on a Mamyshev oscillator
Zheru Qiu, Jianqi Hu, Xuan Yang +9
Ultrafast lasers have unlocked numerous advances across science and technology: they enable corneal surgery, reveal chemical reaction dynamics, and underpin optical atomic clocks.…
physics.optics2025
Copper-impurity-free photonic integrated circuits enable deterministic soliton microcombs
Xinru Ji, Xurong Li, Zheru Qiu +5
Chip-scale optical frequency combs based on microresonators (microcombs) enable GHz-THz repetition rates, broad bandwidth, compactness, and compatibility with wafer-scale manufactu…