A5012729842- Photonic and Optical Devices
- Photonic Crystals and Applications
- Plasmonic and Surface Plasmon Research
- Advanced Fiber Laser Technologies
- Metamaterials and Metasurfaces Applications
- Mechanical and Optical Resonators
- Optical Coatings and Gratings
- Supercapacitor Materials and Fabrication
- Photorefractive and Nonlinear Optics
- Advanced Battery Materials and Technologies
- Human Mobility and Location-Based Analysis
- Advanced Optical Imaging Technologies
- Neural Networks and Reservoir Computing
- Conducting polymers and applications
- Gene expression and cancer classification
- Traditional Chinese Medicine Studies
- Full-Duplex Wireless Communications
- Hydrogels: synthesis, properties, applications
- Perovskite Materials and Applications
- Urban Transport and Accessibility
- Random lasers and scattering media
- Transportation and Mobility Innovations
- Quantum Mechanics and Non-Hermitian Physics
- Advanced MEMS and NEMS Technologies
- Advanced Antenna and Metasurface Technologies
University of Delaware
2020-2025
Shandong University of Science and Technology
2023-2024
Hefei University of Technology
2019
Hefei University
2019
Abstract Exceptional points (EPs) have been extensively explored in mechanical, acoustic, plasmonic, and photonic systems. However, little is known about the role of EPs tailoring dynamic tunability optical devices. A specific type as chiral has recently attracted much attention for controlling flow light building sensors with better responsivity. demonstrated route to via lithographically defined symmetric Mie scatterers on rim resonators not only provided much-needed mechanical stability...
The atomic layer thin geometry and semi-metallic band diagram of graphene can be utilized for significantly improving the performance matrix integrated photonic devices. Its semiconductor-like behavior Fermi-level tunability allows to serve as an active electro-optic modulation. As a low loss metal layer, placed much closer voltage operation. In this work, we investigate hybrid device architectures utilizing semiconductor metallic properties ultrafast energy efficient phase modulators on...
Periodic or gradient subwavelength structures are basic configurations of photonic crystals and metamaterials. The measured linear losses those nanophotonic devices well-beyond theoretical predictions. Nanofabrication related geometric inhomogeneity is considered as the primary cause deleterious performance. deep-UV photolithography in CMOS foundry a large-scale parallel processing, which can significantly suppress random offsets thus optical loss. Here we demonstrate ultra-low loss crystal...
A cationic polyelectrolyte with good ionic conductivity and dielectric properties was prepared; the membrane thickness is a key parameter.
Metasurfaces can be used for free-space wavefront shaping, which generate an arbitrary phase shift with subwavelength thickness. We designed integrated metasurface that achieve on-chip spatial signal convertion a ultracompact dimension and low loss (<1dB). The dielectric metalens integration significantly reduce the taper length as well making mechanically robust photonic crystal coupler high transmission. proposed metasurfaces easily cascaded to meta-system processing. Here we demonstrated...
We demonstrated a low loss (<1dB) photonic crystal waveguide within CMOS multiproject wafer, with more than 30 dB extinction ratio.
Abstract The exceptionally high optical nonlinearities, wide bandgap, and homogeneity in solution‐processed metal‐halide perovskite media are utilized as nonlinear elements on a silicon photonic platform for low‐power‐active components, such all‐optical switches, modulators, lasers. With room temperature back‐end‐of‐line compatible processing, hybrid (CH 3 NH PbI ) microring resonator (MRR) structure is fabricated foundry‐processed low‐loss platform. in‐plane excitation near the light...
We designed an on-chip transformative optic system with a broadband metalens coupler on foundry compatible silicon photonic platform. By adjusting the metalens' focusing length and mode dimension, insertion loss between crystal waveguide (PhC WG) structures is reduced to 2 dB by matching focal plane PhC WG mode. Alternatively, integrated allow for direct coupling from multi-mode cavity. The on-resonance transmission in lens–cavity–lens microsystem achieves 60%. These micro-systems do not...
We observe ultra-low propagation and coupling loss (<2dB) in topological photonic crystal waveguide with integrated metalens coupling.
We demonstrated low insertion loss fully integrated photonic crystal cavity with on-chip metalens coupling, experimentally measured total quality factor of 10 4 .
We demonstrated an insertion loss of 2.2 dB and a back-excitation suppression 5.1 over the 35 nm bandwidth with on-chip asymmetric metasurface.
Exceptional points (EPs) have been extensively explored in mechanical, acoustic, plasmonic, and photonic systems. However, little is known about the role of EPs tailoring dynamic tunability optical devices. A specific type as chiral has recently attracted much attention for controlling flow light building sensors with better responsivity. demonstrated route to via lithographically defined symmetric Mie scatterers on rim resonators not only provided much-needed mechanical stability studying...
Survival data demonstrate a wide range of potential applications in fields such as biomedicine and economics, commonly utilized for prognosticating the presence illnesses predicting disease progression, thereby assisting healthcare professionals formulating personalized diagnoses treatment plans. In this study, using METABRIC dataset, we employ Cox's model random survival forest to identify series influential factors while considering patients' clinical genetic information. Subsequently,...
We demonstrate robust and low loss coupling into photonic crystal waveguide by using a one-dimensional dielectric metalens.
Abstract Two‐dimensional (2D) materials with unique physicochemical properties promote photocatalytic activities. As the 2D material composites research studies statistical average of complex catalytic behaviors, an integrated photonic platform allows for clean and single flake level photo‐catalytic investigations precisely quantified In this paper, fluence‐dependent photo‐oxidation in two‐dimensional Tellurene (2D Te) is tracked by evanescently coupled micro‐resonator. Nearly 32% oxidation...
We will present our recent progress of foundry processed low loss photonic crystals, metasurface and metasystem, towards the femtojoule optical switch, tapers with ten folds length reduction on-chip analog mathematical operation.
We observe exceptionally high photo-refractive nonlinearities in a silicon microring resonator covered with only 2-micrometer coverage of few-layer.
We designed an on-chip transformative optic system of a metalens-photonic crystal resonator metasystem on foundry compatible silicon photonic platform. By adjusting the metalens' focusing length and mode dimension, insertion loss between metalens waveguide structures are minimized through mode-matching. The micro-system does not involve any single nanowire waveguide, thus mechanically robust without oxide claddings. proposed microsystem is ideal for miniaturized chemical biosensors operating...
Periodic or gradient subwavelength structures are basic configurations of photonic crystals and metamaterials. While the numerical simulations predict trivial loss, but fabricated crystal waveguides by E-beam lithography standard dry etching shows unacceptable loss beyond 10 dB. Nanofabrication variation introduced geometric inhomogeneity is considered as primary cause deleterious performance. The deep UV photolithography in CMOS foundry a large-scale parallel processing, which can...
We designed an on-chip transformative optics microsystem with integrated metalens for robust and highly efficient light coupling into a photonic crystal cavity.
We demonstrate a low power all-optical switch in hybrid silicon resonator at room temperature, utilizing exceptionally high nonlinearity solution integrated perovskite.