activity
20232026
most citedEnhanced Frequency Conversion in Parity-Time Symmetry Line

13 citations · 20 across the 15 of their papers we have counts for

collaborators

16 papers

physics.optics2026

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…

physics.optics2026

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…

physics.optics2025

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…

physics.optics2025

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…

physics.optics2025

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…

physics.optics2025

2.7-octave supercontinuum generation spanning from ultraviolet to near-infrared in thin-film lithium niobate waveguides

Minghui Li, Qiankun Li, Yongyuan Chu +7

Supercontinuum generation (SCG) with spectral coverage across the full visible and ultraviolet (UV) ranges is crucial for optical clocks, quantum computing and sensing. However, ac…

physics.optics2025

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…

physics.optics2025

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…

physics.optics2024

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…

physics.optics2024

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…

physics.optics2024

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…

physics.optics2024

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…

physics.optics2024

Dual-color Coherent Perfect Absorber

Boyi Xue, Jintian Lin, Jiankun Hou +6

Perfect absorption of light critically affects light-matter interaction for various applications. Coherent perfect absorbers (CPA) gain the unique capability of controlling light w…

physics.optics2024★ 7 cited

Subwavelength Photorefractive Grating in a Thin-Film Lithium Niobate Microcavity

Jiankun Hou, Jiefu Zhu, Ruixin Ma +9

Subwavelength gratings play a fundamental and pivotal role in numerous science and applications for wave manipulation, exhibiting distinctive features such as filtering, phase mani…

physics.optics2024★ 13 cited

Enhanced Frequency Conversion in Parity-Time Symmetry Line

Jiankun Hou, Jiefu Zhu, Ruixin Ma +9

Non-Hermitian degeneracies reveal intriguing and non-trivial behaviors in open physical systems. Examples like Parity-Time (PT) symmetry breaking, topological encircling chirality,…

physics.optics2023

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…