80 citations · 218 across the 26 of their papers we have counts for
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Efficient third-harmonic generation in high-Q tantalum pentoxide microcavities
Xinke Xing, Yixuan Yang, Xinzhi Zheng +4
Nonlinear harmonic generation in microcavities offers a compelling route toward energy efficient on-chip short-wavelength coherent light sources, enabled by tight optical confineme…
Mid-infrared-to-ultraviolet supercontinuum generation in low-loss tantalum pentoxide nanophotonic waveguides
Minghui Li, Qiankun Li, Xhizhi Zheng +6
Optical frequency combs on photonic integrated platforms are revolutionizing precision metrology, bio-imaging, atomic and molecular sensing, and ultrafast photonics, yet most remai…
Isotropic fabrication of centimeter-scale, low propagation-loss periodically poled lithium niobate nanophotonic waveguides for efficient second harmonic generation
Guanghui Zhao, Yixuan Yang, Renhong Gao +2
Periodically poled lithium niobate (PPLN) nanophotonic waveguides that simultaneously feature low propagation-loss and uniform periodic poling are essential for a wide range of app…
Highly-efficient, narrow-linewidth Brillouin microlasers implemented in compact thin-film lithium niobate microresonators
Yingnuo Qiu, Chuntao Li, Renhong Gao +5
Stimulated Brillouin microlasers offer chip-scale light sources with high spectral purity and low phase noise--key attributes for applications spanning precision metrology, quantum…
Monolithic tantalum pentoxide microrings with intrinsic Q factors exceeding 4X10(6)
Xinzhi Zheng, Yixuan Yang, Renhong Gao +3
Tantalum pentoxide (Ta2O5), as a silicon-photonic-compatible material platform, has garnered significant attention for high-performance integrated photonics due to its exceptional…
Highly efficient multi-chromatic Raman microlasers from cavity polygon modes on thin-film lithium niobate platform
Yixuan Yang, Chuntao Li, Renhong Gao +5
The integration of stimulated Raman scattering (SRS) and second order nonlinearity in non-centrosymmetric photonic microresonators presents a highly promising solution for developi…
Simultaneous generation of Raman-assisted Soliton Microcombs and Tunable Multi-chromatic Raman Microlasers in Single Monolithic Thin-film Lithium Niobate Microrings
Yingnuo Qiu, Renhong Gao, Chuntao Li +9
High-performance integrated broadband coherent light sources are essential for advanced applications in high-bandwidth data processing and chip-scale metrology, yet remain challeng…
Visible Brillouin-quadratic microlaser in a high-Q thin-film lithium niobate microdisk
Xiaochao Luo, Chuntao Li, Xingzhao Huang +8
Narrow-linewidth lasers at short/visible wavelengths are crucial for quantum and atomic applications, such as atomic clocks, quantum computing, atomic and molecular spectroscopy, a…
Low-loss thin-film periodically poled lithium niobate waveguides fabricated by femtosecond laser photolithography
Guanghui Zhao, Jintian Lin, Renhong Gao +10
Periodically poled lithium niobate on insulator (PPLNOI) ridge waveguides are critical photonic components for both classical and quantum information processing. However, dry etchi…
Simultaneously generating Brillouin microlaser and second harmonic within a lithium niobate microdisk
Xiaochao Luo, Chuntao Li, Jintian Lin +5
We report the simultaneous generation of second-harmonic generation (SHG) and Brillouin microlaser in a high-quality thin-film lithium niobate (TFLN) microdisk resonator. The micro…
Second harmonic generation with 48% conversion efficiency from cavity polygon modes in a monocrystalline lithium niobate microdisk resonator
Chao Sun, Jielei Ni, Chuntao Li +10
Thin-film lithium niobate (TFLN) based optical microresonators offer large nonlinear coefficient d_33 and high light-wave confinement, allowing highly efficient second-order optica…
On-chip electro-optically tunable narrow linewidth Brillouin microlasers implemented in thin film lithium niobate
Chuntao Li, Jiale Deng, Xingzhao Huang +8
On-chip narrow linewidth microlasers with real-time wavelength tunability are highly desirable for various applications including precision metrology, quantum technology, and coher…
Frequency stabilization based on H13C14N absorption in lithium niobate micro-disk laser
Zhen Yi, Zhihao Zhang, Jianglin Guan +8
We demonstrate an on-chip lithium niobate micro-disk laser based on hydrogen cyanide (H13C14N) gas saturation absorption method for frequency stabilization. The laser chip consists…
Efficient transverse multi-wave interactions up to six-wave mixing in a high-Q lithium niobate microresonator
Chuntao Li, Ni Yao, Huakang Yu +6
High-order nonlinear optical processes beyond four-wave mixing serve as fundamental tools for advancing photonic technologies, yet their practical implementation remains challengin…
Integrated multi-color Raman microlasers with ultra-low pump levels in single high-Q lithium niobate microdisks
Guanghui Zhao, Jintian Lin, Botao Fu +8
Photonic integrated Raman microlasers, particularly discrete multi-color lasers which are crucial for extending the emission wavelength range of chip-scale laser sources to much sh…
Erbium-ytterbium co-doped lithium niobate single-mode microdisk laser with an ultralow threshold of 1 uW
Minghui Li, Renhong Gao, Chuntao Li +9
We demonstrate single-mode microdisk lasers in the telecom band with ultra-low thresholds on erbium-ytterbium co-doped thin-film lithium niobate (TFLN). The active microdisk were f…
Generation of Kerr soliton microcomb in a normally dispersed lithium niobate microdisk resonator by mode trimming
Botao Fu, Renhong Gao, Ni Yao +6
Anomalous microresonator dispersion is mandatory for Kerr soliton microcomb formation, which depends critically on the geometry of the microresonator and can hardly be tuned after…
Ultra-high Q lithium niobate microring monolithically fabricated by photolithography assisted chemo-mechanical etching
Chuntao Li, Jianglin Guan, Jintian Lin +5
Thin-film lithium niobate (TFLN) has been considered as one of the most important platforms for constructing high-performance photonic integrated devices such as electro-optic modu…
Monolithically integrated high-power narrow-bandwidth microdisk laser
Jianglin Guan, Chuntao Li, Renhong Gao +7
Integrated on-chip microdisk lasers have attracted great attention as a light source of compact size, low lasing threshold and narrow bandwidth. However, challenges remain unresolv…
Modes trimming and clustering in a weakly perturbed high-Q whispering gallery microresonator
Botao Fu, Renhong Gao, Jintian Lin +6
In general, a high-Q microresonator can accommodate abundant whispering gallery modes (WGMs) with the mode number increasing with the dimensional sizes of the microresonator. Remov…
Electro-optically tunable low phase-noise microwave synthesizer in an active lithium niobate microdisk
Renhong Gao, Botao Fu, Ni Yao +7
Photonic-based low-phase-noise microwave generation with real-time frequency tuning is crucial for a broad spectrum of subjects, including next-generation wireless communications,…
Coherent mode-combined ultra-narrow-linewidth single-mode micro-disk laser
Jintian Lin, Saeed Farajollahi, Zhiwei Fang +10
Integrated single-mode microlasers with ultra-narrow linewidths play a game-changing role in a broad spectrum of applications ranging from coherent communication and LIDAR to metro…
Lithium niobate microring with ultra-high Q factor above 10^8
Renhong Gao, Ni Yao, Jianglin Guan +6
We demonstrate ultra-high Q factor microring resonators close to the intrinsic material absorption limit on lithium niobate on insulator. The microrings are fabricated on pristine…
On-chip ultra-narrow-linewidth single-mode microlaser on lithium niobate on insulator
Renhong Gao, Jianglin Guan, Ni Yao +8
We report an on-chip single mode microlaser with low-threshold fabricated on Erbium doped lithium niobate on insulator (LNOI). The single mode laser emission at 1550.5 nm wavelengt…