6 papers · 1 filter
Arbitrary-order exceptional points in a nanomechanical cavity
Ning Wu, Kaiyu Cui, Ziming Chen +7
Higher-order exceptional points (EPs) govern non-Hermitian system dynamics through their enriched and sharpened spectral topology, yet the intrinsic topological fragility hinders r…
Multi-channel electrically tunable varifocal metalens with compact multilayer polarization-dependent metasurfaces and liquid crystals
Zhiyao Ma, Zhe Li, Tian Tian +8
As an essential module of optical systems, varifocal lens usually consists of multiple mechanically moving lenses along the optical axis. The recent development of metasurfaces wit…
Demonstration of Time-reversal Symmetric Two-Dimensional Photonic Topological Anderson Insulator
Zhe Li, Ziming Chen, Deyang Kong +4
Recently, the impact of disorder on topological properties has attracted significant attention in photonics, especially the intriguing disorder-induced topological phase transition…
Spectral Convolutional Neural Network Chip for In-sensor Edge Computing of Incoherent Natural Light
Kaiyu Cui, Shijie Rao, Sheng Xu +9
Convolutional neural networks (CNNs) are representative models of artificial neural networks (ANNs). However, the considerable power consumption and limited computing speed of elec…
Map Optical Properties to Subwavelength Structures Directly via a Diffusion Model
Shijie Rao, Kaiyu Cui, Yidong Huang +6
Subwavelength photonic structures and metamaterials provide revolutionary approaches for controlling light. The inverse design methods proposed for these subwavelength structures a…
SUANPAN: Scalable Photonic Linear Vector Machine
Ziyue Yang, Chen Li, Yuqia Ran +12
Photonic linear operation is a promising approach to handle the extensive vector multiplications in artificial intelligence techniques due to the natural bosonic parallelism and hi…