10 papers
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…
Strong enhancement of Er3+ emission at room temperature in Si3N4 metasurfaces
Fengkai Wei, Xinru Ji, Tobias J. Kippenberg +2
We report a significant enhancement of room-temperature photoluminescence from trivalent erbium-doped (Er3+) silicon nitride (Si3N4) metasurfaces at the telecommunication wavelengt…
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.…
Heterogeneously integrated lithium tantalate-on-silicon nitride modulators for high-speed communications
Jiachen Cai, Alexander Kotz, Hugo Larocque +7
Driven by the prospects of higher bandwidths for optical interconnects, integrated modulators involving materials beyond those available in silicon manufacturing increasingly rely…
Narrow-linewidth, piezoelectrically tunable photonic integrated blue laser
Anat Siddharth, Asger B. Gardner, Xinru Ji +8
Frequency-agile lasers operating in the ultraviolet-to-blue spectral range (360-480 nm) are critical enablers for a wide range of technologies, including free-space and underwater…
Hyperparametric solitons in nondegenerate optical parametric oscillators
Haizhong Weng, Xinru Ji, Mugahid Ali +7
Dissipative solitons and their associated low-noise, chip-scale frequency combs hold great potential for applications in optical communications, spectroscopy, precision time-keepin…