Topological photonic crystals: physics, designs, and applications

GJ Tang, XT He, FL Shi, JW Liu… - Laser & Photonics …, 2022 - Wiley Online Library
Recent research in topological photonics has not only proposed and realized novel
topological phenomena such as one‐way broadband propagation and robust transport of …

Metasurface-enabled on-chip manipulation of higher-order poincaré sphere beams

J Ji, Z Wang, J Sun, C Chen, X Li, B Fang, SN Zhu… - Nano Letters, 2023 - ACS Publications
An integrated way to generate and manipulate higher-order Poincaré sphere beams
(HOPBs) is a sought-after goal in photonic integrated circuits for high-capacity …

Optical manipulation: from fluid to solid domains

Q Jia, W Lyu, W Yan, W Tang, J Lu, M Qiu - Photonics Insights, 2023 - spiedigitallibrary.org
Light carries energy and momentum, laying the physical foundation of optical manipulation
that has facilitated advances in myriad scientific disciplines, ranging from biochemistry and …

Blazed subwavelength grating coupler

R Guo, S Zhang, H Gao, GS Murugan, T Liu… - Photonics …, 2023 - opg.optica.org
Short-wavelength mid-infrared (2–2.5 μm wave band) silicon photonics has been a growing
area to boost the applications of integrated optoelectronics in free-space optical …

Silicon multimode waveguide crossing based on anisotropic subwavelength gratings

W Zhao, X Yi, Y Peng, L Zhang… - Laser & Photonics …, 2022 - Wiley Online Library
Multimode waveguide crossings (MWCs) are becoming more and more important as one of
the key elements for on‐chip optical routing and cross‐connection. However, it is still very …

Edge state, localization length, and critical exponent from survival probability in topological waveguides

LC Wang, Y Chen, M Gong, F Yu, QD Chen, ZN Tian… - Physical Review Letters, 2022 - APS
Edge states in topological phase transitions have been observed in various platforms. To
date, verification of the edge states and the associated topological invariant are mostly …

Ideal nodal rings of one-dimensional photonic crystals in the visible region

WM Deng, ZM Chen, MY Li, CH Guo, ZT Tian… - Light: Science & …, 2022 - nature.com
Abstract Three-dimensional (3D) artificial metacrystals host rich topological phases, such as
Weyl points, nodal rings, and 3D photonic topological insulators. These topological states …

Meta‐Structured Silicon Nanophotonic Polarization Beam Splitter with an Optical Bandwidth of 415 nm

H Xu, Y Qin, G Hu, HK Tsang - Laser & Photonics Reviews, 2023 - Wiley Online Library
The polarization beam splitter (PBS) is a pivotal element in the polarization management of
free‐space optical instruments and systems. Photonic integrated circuits for sensing …

Ultralarge Elastic Deformation (180° Fold) of Cubic-natBP Microwires for Wearable Flexible Strain Sensors

X Lu, R Lin, S Zhu, Z Lin, X Song, F Huang… - ACS Materials …, 2023 - ACS Publications
Flexible strain sensors that can convert mechanical irritation from an external environment
into electrical signals are key components in wearable devices. Here, using the principle of …

Silicon thermo-optic switches with graphene heaters operating at mid-infrared waveband

C Zhong, Z Zhang, H Ma, M Wei, Y Ye, J Wu, B Tang… - Nanomaterials, 2022 - mdpi.com
The mid-infrared (MIR, 2–20 μm) waveband is of great interest for integrated photonics in
many applications such as on-chip spectroscopic chemical sensing, and optical …