123 citations · 266 across the 15 of their papers we have counts for
15 papers
Broad-angle photon-pair generation from flatband quasi-BIC resonant 3R-MoS metasurfaces
Tingting Liu, Huifu Qiu, Xintong Shi +2
Spontaneous parametric down-conversion (SPDC) in ultrathin optical resonant metasurfaces offers a promising platform for integrated quantum light sources. However, conventional res…
Edge-enhanced diffractive neural networks based on spin-multiplexed nonlocal metasurfaces
Qianqian He, Kenan Guo, Jumin Qiu +3
Single-layer diffractive neural networks often face classification accuracy bottlenecks due to limited wavefront modulation capabilities. Edge detection, as an optical image proces…
Omnidirectional photonic chiral flatband in nonlocal membrane metasurfaces
Baohe Zhang, Jumin Qiu, Meng Qin +7
Omnidirectional flat-band resonances, characterized by an enhanced photonic density of states and inherent angular robustness, are highly sought-after in integrated nanophotonic de…
Flat optics for analog computing: from fundamental mechanisms to advanced meta-processors
Tingting Liu, Jumin Qiu, Xintong Shi +2
As the explosive growth of visual data increasingly strains the latency and energy limits of conventional electronic computing, optical analog computing has re-emerged as a disrupt…
Doubly resonant nonlinear metasurfaces enabling NIR-to-UV upconversion for reconfigurable Fourier optical processing
Jumin Qiu, Meibao Qin, Tingting Liu +6
Fourier optical processing underpins optical information manipulation, yet extending such operations to short wavelengths within compact platforms remains challenging. Here, we add…
Metasurface-based all-optical diffractive convolutional neural networks
Zhijiang Liang, Chenxuan Xiang, Shuyuan Xiao +5
The escalating energy demands and parallel-processing bottlenecks of electronic neural networks underscore the need for alternative computing paradigms. Optical neural networks, ca…
High-efficiency infrared upconversion imaging with nonlinear silicon metasurfaces empowered by quasi-bound states in the continuum
Tingting Liu, Jumin Qiu, Meibao Qin +6
Infrared imaging is indispensable for its ability to penetrate obscurants and visualize thermal signatures, yet its practical use is hindered by the intrinsic limitations of conven…
Integrated Spectropolarimeter by Metasurface-Based Diffractive Optical Networks
Jumin Qiu, Tingting Liu, Chenxuan Xiang +3
Conventional spectrometer and polarimeter systems rely on bulky optics, fundamentally limiting compact integration and hindering multi-dimensional optical sensing capabilities. Her…
Phase-change metasurfaces for reconfigurable image processing
Tingting Liu, Jumin Qiu, Tianbao Yu +3
Optical metasurfaces have enabled high-speed, low-power image processing within a compact footprint. However, reconfigurable imaging in such flat devices remains a critical challen…
Enhanced third-harmonic generation empowered by doubly degenerate quasi-bound states in the continuum
Tingting Liu, Meibao Qin, Jumin Qiu +6
Recent advancements in nonlinear nanophotonics are driven by the exploration of sharp resonances within high-index dielectric metasurfaces. In this work, we leverage doubly degener…
Optoelectronic generative adversarial networks
Jumin Qiu, Ganqing Lu, Tingting Liu +3
Artificial intelligence generative content technology has experienced remarkable breakthroughs in recent years and is quietly leading a profound transformation. Diffractive optical…
Multiplexed Metasurfaces for Diffractive Optics via Phase Correlation Method
Chenxuan Xiang, Jumin Qiu, Qiegen Liu +2
The multiplexing capability of metasurfaces has been successfully demonstrated in applications such as holography and diffractive neural networks. However, identifying a suitable s…
Observation of Moiré Plasmonic Skyrmion Clusters
Lan Zhang, Lipeng Wan, Weimin Deng +5
Skyrmions are topological defects belonging to nontrivial homotopy classes in particle theory. Their remarkably stable topology has recently been observed in electromagnetic waves.…
Edge detection imaging by quasi-bound states in the continuum
Tingting Liu, Jumin Qiu, Lei Xu +6
Optical metasurfaces have revolutionized analog computing and image processing at sub-wavelength scales with faster speed and lower power consumption. They typically involve spatia…
Decision-making and control with diffractive optical networks
Jumin Qiu, Shuyuan Xiao, Lujun Huang +4
The ultimate goal of artificial intelligence is to mimic the human brain to perform decision-making and control directly from high-dimensional sensory input. Diffractive optical ne…