activity
20172021
most citedPeriodically poled thin film lithium niobate microring resonators with a second-harmonic generation efficiency of 250,000%/W

444 citations · 1.2k across the 11 of their papers we have counts for

collaborators

11 papers

physics.optics2021★ 28 cited

Efficient and tunable blue light generation using lithium niobate nonlinear photonics

Ayed Al Sayem, Yubo Wang, Juanjuan Lu +3

Thin film lithium niobate (LN) has recently emerged as a playground for chip-scale nonlinear optics and leads to highly efficient frequency conversions from near infrared to near-v…

physics.app-ph2020★ 152 cited

III-Nitride nanophotonics for beyond-octave soliton generation and self-referencing

Xianwen Liu, Zheng Gong, Alexander W. Bruch +3

Frequency microcombs, successors to mode-locked laser and fiber combs, enable miniature rulers of light for applications including precision metrology, molecular fingerprinting, an…

physics.optics2020★ 50 cited

Photonic dissipation control for Kerr soliton generation in strongly Raman-active media

Zheng Gong, Ming Li, Xianwen Liu +6

Microcavity solitons enable miniaturized coherent frequency comb sources. However, the formation of microcavity solitons can be disrupted by stimulated Raman scattering (SRS), part…

physics.optics2020★ 172 cited

Pockels Soliton Microcomb

Alexander W. Bruch, Xianwen Liu, Zheng Gong +4

Kerr soliton microcombs have recently emerged as a prominent topic in integrated photonics and enabled new horizons for optical frequency metrology. Kerr soliton microcombs, as its…

physics.optics2019★ 444 cited

Periodically poled thin film lithium niobate microring resonators with a second-harmonic generation efficiency of 250,000%/W

Juanjuan Lu, Joshua B. Surya, Xianwen Liu +4

Lithium niobate (LN), dubbed by many as the silicon of photonics, has recently risen to the forefront of chip-scale nonlinear optics research since its demonstration as an ultralow…

physics.optics2019

On-chip microring optical parametric oscillator

Alexander W. Bruch, Xianwen Liu, Joshua B. Surya +2

Optical parametric oscillators (OPOs) have been widely used for decades as tunable, narrow linewidth, and coherent light sources for reaching long wavelengths and are attractive fo…

physics.optics2019★ 63 cited

Beyond 100 THz-spanning ultraviolet frequency combs in a non-centrosymmetric crystalline waveguide

Xianwen Liu, Alexander W. Bruch, Juanjuan Lu +6

Ultraviolet frequency combs enable applications ranging from precision spectroscopy to atomic clocks by addressing the electronic transitions of atoms and molecules. Access to ultr…

physics.app-ph2018★ 113 cited

Ultra-high-Q UV microring resonators based on single-crystalline AlN platform

Xianwen Liu, Alexander W. Bruch, Zheng Gong +6

Development of low-loss photonic components in the ultraviolet (UV) band will open new prospects for classical and quantum optics. Compared with other integrated platforms, aluminu…

physics.optics2018★ 122 cited

17,000 %/W Second Harmonic Conversion Efficiency in Single Crystalline Aluminum Nitride Microresonators

Alexander W. Bruch, Xianwen Liu, Xiang Guo +6

High quality factor optical microcavities have been employed in a variety of material systems to enhance nonlinear optical interactions. While single-crystalline aluminum nitride m…

cond-mat.mes-hall2018★ 11 cited

Phonon coupling between a nanomechanical resonator and a quantum fluid

King Yan Fong, Dafei Jin, Menno Poot +2

Owing to their extraordinary sensitivity to external forces, nanomechanical systems have become important tools for studying a variety of mesoscopic physical systems and realizing…

physics.optics2017★ 74 cited

Efficient visible frequency comb generation via Cherenkov radiation from a Kerr microcomb

Xiang Guo, Chang-Ling Zou, Hojoong Jung +4

Optical frequency combs enable state-of-the-art applications including frequency metrology, optical clocks, astronomical measurements, and sensing. Recent demonstrations of microre…