278 citations · 542 across the 12 of their papers we have counts for
12 papers
Chip-Scale, Sub-Hz Fundamental Sub-kHz Integral Linewidth 780 nm Laser through Self-Injection-Locking a Fabry-Pérot laser to an Ultra-High Q Integrated Resonator
Andrei Isichenko, Nitesh Chauhan, Kaikai Liu +2
Today's state of the art precision experiments in quantum, gravimetry, navigation, time keeping, and fundamental science have strict requirements on the level and spectral distribu…
Integrated optical frequency division for stable microwave and mmWave generation
Shuman Sun, Beichen Wang, Kaikai Liu +14
The generation of ultra-low noise microwave and mmWave in miniaturized, chip-based platforms can transform communication, radar, and sensing systems. Optical frequency division tha…
Silicon nitride stress-optic microresonator modulator for optical control applications
Jiawei Wang, Kaikai Liu, Mark W. Harrington +2
The silicon nitride integration platform has been successful at realizing extremely low waveguide losses across the visible to infrared and components including high performance la…
36 Hz integral linewidth laser based on a photonic integrated 4.0-meter coil resonator
Kaikai Liu, Nitesh Chauhan, Jiawei Wang +6
Laser stabilization sits at the heart of many precision scientific experiments and applications, including quantum information science, metrology and atomic timekeeping. These syst…
Thermal and driven noise in Brillouin Lasers
John H. Dallyn, Kaikai Liu, Mark Harrington +4
Owing to their highly coherent emission and compact form factor, Brillouin lasers have been identified as a valuable asset for applications including portable atomic clocks, precis…
Photonic circuits for laser stabilization with ultra-low-loss and nonlinear resonators
Kaikai Liu, John H. Dallyn, Grant M. Brodnik +8
Laser-frequency stabilization with on-chip photonic integrated circuits will provide compact, low cost solutions to realize spectrally pure laser sources. Developing high-performan…
Fully symmetric controllable integrated three-resonator photonic molecule
Jiawei Wang, Kaikai Liu, Qiancheng Zhao +3
Photonic molecules can be used to realize complex optical energy states and modes, analogous to those found in molecules, with properties useful for applications like spectral engi…
422 Million Q Planar Integrated All-Waveguide Resonator with a 3.4 Billion Absorption Limited Q and Sub-MHz Linewidth
Matthew W. Puckett, Kaikai Liu, Nitesh Chauhan +8
High Q optical resonators are a key component for ultra-narrow linewidth lasers, frequency stabilization, precision spectroscopy and quantum applications. Integration of these reso…
BAlN alloy for enhanced two-dimensional electron gas characteristics of GaN-based high electron mobility transistor
Rongyu Lin, Xinwei Liu, Kaikai Liu +3
The emerging wide bandgap BAlN alloys have potentials for improved III-nitride power devices including high electron mobility transistor (HEMT). Yet few relevant studies have been…
Chance-Constrained and Yield-aware Optimization of Photonic ICs with Non-Gaussian Correlated Process Variations
Chunfeng Cui, Kaikai Liu, Zheng Zhang
Uncertainty quantification has become an efficient tool for uncertainty-aware prediction, but its power in yield-aware optimization has not been well explored from either theoretic…
Polarization properties of wurtzite III nitride indicate the principle of polarization engineering
Kaikai Liu, Xiaohang Li
The spontaneous and piezoelectric polarizations of III-nitrides considerably affect the operation of various III-nitride-based devices. We report an ab initio study of the spontane…
High quality factor mg-scale silicon mechanical resonators for 3-mode optoacoustic parametric amplifiers
Francis Achilles Torres, Phillip Meng, Li Ju +8
Milligram-scale resonators have been shown to be suitable for the creation of 3-mode optoacoustic parametric amplifiers, based on a phenomena first predicted for advanced gravitati…