391 citations · 738 across the 19 of their papers we have counts for
19 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…
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…
Integrated tunable green light source on silicon nitride
Gang Wang, Ozan Yakar, Xinru Ji +7
Integrated green light sources are essential for telecommunications and quantum applications, while the performance of current on-chip green light generation is still limited in po…
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…
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…
Lithium tantalate electro-optical photonic integrated circuits for high volume manufacturing
Chengli Wang, Zihan Li, Johann Riemensberger +11
Photonic integrated circuits based on Lithium Niobate have demonstrated the vast capabilities afforded by material with a high Pockels coefficient, allowing linear and high-speed m…
Photonic-electronic integrated circuit-based coherent LiDAR engine
Anton Lukashchuk, Halil Kerim Yildirim, Andrea Bancora +8
Microelectronic integration is a key enabler for the ubiquitous deployment of devices in large volumes ranging from MEMS and imaging sensors to consumer electronics. Such integrati…
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…
Protected generation of dissipative Kerr solitons in supermodes of coupled optical microresonators
Alexey Tikan, Aleksandr Tusnin, Johann Riemensberger +6
The driven-dissipative photonic dimer comprised of two evanescently coupled high-Q microresonators is a fundamental element of multimode soliton lattices. It has demonstrated a var…