207 citations · 789 across the 23 of their papers we have counts for
23 papers
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…
Observation of photon antibunching with a single conventional detector
Shaojie Liu, Xing Lin, Feng Liu +3
The second-order photon correlation function is of great importance in quantum optics which is typically measured with the Hanbury Brown and Twiss interferometer which employs a pa…
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…
Enhancement of the Monolayer WS2 Exciton Photoluminescence with a 2D-Material/Air/GaP In-Plane Microcavity
Oliver Mey, Franziska Wall, Lorenz Maximilian Schneider +8
Light-matter interaction with two-dimensional materials gained significant attention in recent years leading to the reporting of weak and strong coupling regimes, and effective nan…
Ultrasensitive hybrid optical skin
Lei Zhang, Jing Pan, Zhang Zhang +12
Electronic skin, a class of wearable electronic sensors that mimic the functionalities of human skin, has made remarkable success in applications including health monitoring, human…
Highly-efficient second and third harmonic generation in a monocrystalline lithium niobate microresonator
Jintian Lin, Yao Ni, Zhenzhong Hao +10
Nonlinear optics in whispering-gallery-mode (WGM) microresonators have attracted much attention. Owing to strong confinement of the light in a small volume, a WGM microresonator ca…
Lithium niobate micro-disk resonators of quality factors above 10^7
Rongbo Wu, Jianhao Zhang, Ni Yao +5
We report on fabrication of crystalline lithium niobate microresonators with quality factors above 10^7 as measured around 770 nm wavelength. Our technique relies on femtosecond la…
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…
Fabrication of high quality factor lithium niobate double-disk using a femtosecond laser
Zhiwei Fang, Ni Yao, Min Wang +7
We demonstrate fabrication of a high quality factor lithium niobate double-disk whispering-gallery microcavity using femtosecond laser assisted ion beam milling. Using this method,…
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…
Generation of correlated photon pairs in micro/nano-fibers
Liang Cui, Xiaoying Li, Cheng Guo +4
We study the generation of correlated photon pairs via spontaneous four wave mixing in a 15 cm long micro/nano-fiber (MNF). The MNF is properly fabricated to satisfy the phase matc…
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…