391 citations · 765 across the 19 of their papers we have counts for
14 papers · 1 filter
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…
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.…
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…
Full C- and L-band tunable erbium-doped integrated lasers via scalable manufacturing
Xinru Ji, Xuan Yang, Yang Liu +8
Erbium (Er) ions are the gain medium of choice for fiber-based amplifiers and lasers, offering a long excited-state lifetime, slow gain relaxation, low amplification nonlinearity a…
Terabit-class coherent communications enabled by an integrated photonics erbium doped amplifier
Di Che, Stefano Grillanda, Yang Liu +7
Coherent technologies have revolutionized optical communications, driving the capacity per fiber to multi-terabit per second (Tb/s) in combination with wavelength division multiple…
Ultrafast tunable photonic integrated Pockels extended-DBR laser
Anat Siddharth, Simone Bianconi, Rui Ning Wang +5
Frequency-agile lasers that can simultaneously feature low noise characteristics as well as fast mode hop-free frequency tuning are keystone components for applications ranging fro…
Foundry compatible, efficient wafer-scale manufacturing of ultra-low loss, high-density SiN photonic integrated circuits
Xinru Ji, Rui Ning Wang, Yang Liu +3
Silicon nitride (SiN) photonic integrated circuits (PICs) have shown low linear loss, negligible nonlinear loss, and high power handling over traditional silicon photonics.…
Large-scale photonic chip based pulse interleaver for low-noise microwave generation
Zheru Qiu, Neetesh Singh, Yang Liu +4
Microwaves generated by optical techniques have demonstrated unprecedentedly low noise and hold significance in various applications such as communication, radar, instrumentation,…
Hydrogen-free low-temperature silica for next generation integrated photonics
Zheru Qiu, Zihan Li, Rui Ning Wang +4
The advances in novel low-loss "on insulator" integrated photonics platforms beyond silicon, such as thin-film LiNbO3, LiTaO3, GaP and BaTiO3 have demonstrated major potential acro…
Free-electron interaction with nonlinear optical states in microresonators
Yujia Yang, Jan-Wilke Henke, Arslan S. Raja +10
The short de Broglie wavelength and strong interaction empower free electrons to probe scattering and excitations in materials and resolve the structure of biomolecules. Recent adv…
Hertz-linewidth and frequency-agile photonic integrated extended-DBR lasers
Anat Siddharth, Alaina Attanasio, Grigory Lihachev +7
Recent advances in the development of ultra-low loss silicon nitride (Si3N4)-based photonic integrated circuits have allowed integrated lasers to achieve a coherence exceeding thos…
A fully hybrid integrated Erbium-based laser
Yang Liu, Zheru Qiu, Xinru Ji +6
Erbium-doped fiber lasers exhibit high coherence and low noise as required for applications in fiber optic sensing, gyroscopes, LiDAR, and optical frequency metrology. Endowing Erb…
A photonic integrated circuit based erbium-doped amplifier
Yang Liu, Zheru Qiu, Xinru Ji +7
Erbium-doped fiber amplifiers have revolutionized long-haul optical communications and laser technology. Erbium ions could equally provide a basis for efficient optical amplificati…
Compact, spatial-mode-interaction-free, ultralow-loss, nonlinear photonic integrated circuits
Xinru Ji, Junqiu Liu, Jijun He +4
Nonlinear photonics based on integrated circuits has enabled applications such as parametric amplifiers, soliton frequency combs, supercontinua, and non-reciprocal devices. Ultralo…