72 citations · 229 across the 10 of their papers we have counts for
10 papers
Compact on-chip power splitter based on topological photonic crystal
Puhui Zhang, Jiacheng Zhang, Linpeng Gu +4
We propose and demonstrate an on-chip 1*N power splitter based on topological photonic crystal (TPC) on a monolithic silicon photonic platform. Benefiting from the valley-locked pr…
High-responsivity MoS hot-electron telecom-band photodetector integrated with microring resonator
Qiao Zhang, Yingke Ji, Siqi Hu +9
We report a high-responsive hot-electron photodetector based on the integration of an Au-MoS junction with a silicon nitride microring resonator (MRR) for detecting telecom-ban…
Efficient Second Harmonic Generation from Silicon Slotted Nanocubes with Bound States in the Continuum
C. Fang, Q. Yang, Q. Yuan +6
Optical materials with centrosymmetry, such as silicon and germanium, are unfortunately absent of second-order nonlinear optical responses, hindering their developments in efficien…
Chip-integrated van der Waals PN heterojunction photodetector with low dark current and high responsivity
Ruijuan Tian, Xuetao Gan, Chen Li +7
Two-dimensional materials are attractive for constructing high-performance photonic chip-integrated photodetectors because of their remarkable electronic and optical properties and…
High-efficiency second-harmonic and sum-frequency generation in a silicon nitride microring integrated with few-layer GaSe
Binbin Wang, Yafei Ji, Linpeng Gu +3
Silicon nitride (SiN) photonics platform has attributes of ultra-low linear and nonlinear propagation losses and CMOS-compatible fabrication process, promising large-scale multifun…
Fano resonance from a one-dimensional topological photonic crystal
Linpeng Gu, Binbin Wang, Qingchen Yuan +4
An ultra-compact one-dimensional topological photonic crystal (1D-TPC) is designed in a single mode silicon bus-waveguide to generate Fano resonance lineshape. The Fano resonance c…
Giant Enhancement of Nonlinear Harmonic Generation in a Silicon Topological Photonic Crystal Nanocavity Chain
Qingchen Yuan, Linpeng Gu, Liang Fang +3
Strongly enhanced third-harmonic generation (THG) by the topological localization of an edge mode in a Su-Schrieffer-Heeger (SSH) chain of silicon photonic crystal nanocavities is…
A topological photonic ring-resonator for on-chip channel filters
Linpeng Gu, Qingchen Yuan, Qiang Zhao +5
A topologically protected ring-resonator formed in valley photonic crystals is proposed and fabricated on a silicon slab. The unidirectional transmission and robustness against str…
Fano resonance lineshapes in a waveguide-microring structure enabled by an air-hole
Linpeng Gu, Liang Fang, Hanlin Fang +5
We propose and demonstrate, by simply inserting an air-hole in the waveguide side-coupling with a microring resonator (MRR), the transmission spectrum presents Fano lineshapes at a…
A compact structure for realizing Lorentzian, Fano and EIT resonance lineshapes in a microring resonator
Linpeng Gu, Hanlin Fang, Juntao Li +4
Microring resonators, as a fundamental building block of photonic integrated circuits, have been well developed into numerous functional devices, whose performances are strongly de…