207 citations · 789 across the 23 of their papers we have counts for
16 papers · 1 filter
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…
Jitter-calibrated second-order correlation measurement of low-repetition-rate pulsed excitation
Jue Gong, Hao Wu, Xin Guo +2
We report a new technique for the realization of second-order correlation () measurement under low-repetition-rate pulsed excitation (1 kHz), with timing jitter calibrated…
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…
Broadband highly efficient nonlinear optical processes in on-chip integrated lithium niobate microdisk resonators of Q-factor above 10^8
Renhong Gao, Haisu Zhang, Fang Bo +9
We demonstrated broadband highly efficient optical nonlinear processes in on-chip integrated lithium niobate (LN) microdisk resonators. The Q factors of the micro-resonators fabric…
Efficient light coupling between an ultra-low loss lithium niobate waveguide and an adiabatically tapered single mode optical fiber
Ni Yao, Junxia Zhou, Renhong Gao +5
A lithium niobate on insulator ridge waveguide allows constructing high-density photonic integrated circuits thanks to its small bending radius offered by the high index contrast.…
Deciphering exciton-generation processes in quantum-dot electroluminescence
Yunzhou Deng, Xing Lin, Wei Fang +5
Electroluminescence (EL) of colloidal nanocrystals promises a new generation of high-performance and solution-processable light-emitting diodes (LEDs). The operation of nanocrystal…
Simultaneous generation of four-wave mixing and stimulated Raman scattering in coupled lithium niobate microdisks mediated by second harmonic generation
Min Wang, Ni Yao, Rongbo Wu +7
High quality lithium niobate thin film microresonators provide an ideal platform for on-chip nonlinear optics applications. However, the phase matching condition for efficient para…
Monolithic integration of a high-quality factor lithium niobate microresonator with a free-standing membrane waveguide using femtosecond laser assisted ion beam writing (FLAIBW)
Zhiwei Fang, Yingxin Xu, Min Wang +4
We demonstrate integrating a high quality factor lithium niobate microdisk resonator with a free-standing membrane waveguide. Our technique is based on femtosecond laser direct wri…
On-chip electro-optic tuning of a lithium niobate microresonator with integrated in-plane microelectrodes
Min Wang, Yingxin Xu, Zhiwei Fang +7
We demonstrate electro-optic tuning of an on-chip lithium niobate microresonator with integrated in-plane microelectrodes. First two metallic microelectrodes on the substrate were…
Phase matched second harmonic generation in an on-chip lithium niobate microresonator fabricated by femtosecond laser
Jintian Lin, Yingxin Xu, Jielei Ni +5
Nonlinear optical processes in whispering gallery mode (WGM) microresonators have attracted much attention. Owing to the strong confinement of light in a small volume, a WGM micror…
Second harmonic generation in a high-Q lithium niobate microresonator fabricated by femtosecond laser micromachining
Jintian Lin, Yingxin Xu, Zhiwei Fang +5
We report on fabrication of high Q lithium niobate (LN) whispering-gallery-mode (WGM) microresonators suspended on silica pedestals by femtosecond laser microfabrication. The micro…
Fabrication of three-dimensional microdisk resonators in calcium fluoride by femtosecond laser micromachining
Jintian Lin, Yingxin Xu, Jialei Tang +5
We report on fabrication of on-chip calcium fluoride (CaF2) microdisk resonators using water-assisted femtosecond laser micromachining. Focused ion beam (FIB) milling is used to cr…
Low-threshold whispering-gallery-mode microlasers fabricated in a Nd: glass substrate by three-dimensional femtosecond laser micromachining
Jintian Lin, Yingxin Xu, Jiangxin Song +6
We report on fabrication of whispering-gallery-mode microlasers in a Nd:glass chip by femtosecond laser three-dimensional (3D) micromachining. Main fabrication procedures include t…
Multicolour wavelength-tunable lasing from a single bandgap-graded alloy nanoribbon
Yize Lu, Fuxing Gu, Chao Meng +4
Tunable lasing from 578 nm to 640 nm is observed from a single CdSSe bandgap-graded alloy nanoribbon, by selecting the excited spot at room temperature. Though reabsorption is a se…
On-chip three-dimensional high-Q microcavities fabricated by femtosecond laser direct writing
Jintian Lin, Shangjie Yu, Yaoguang Ma +6
We report on the fabrication of three-dimensional (3D) high-Q whispering gallery microcavities on a fused silica chip by femtosecond laser microfabriction, enabled by the 3D nature…