123 citations · 390 across the 23 of their papers we have counts for
11 papers · 2 filters
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…
Continuous Varifocal Metalens Based on Phase-Change Material
Yilong Cui, Liang Hou, Kenan Guo +4
Metasurfaces have provided new opportunities for the realization of flat lenses, among which tunable metalenses have garnered considerable attention due to their flexible functiona…
Enhanced third-harmonic generation and degenerate four-wave mixing in an all-dielectric metasurfaces via Brillouin zone folding-induced bound states in the continuum
Meibao Qin, Feng Wu, Tingting Liu +2
Bound states in the continuum (BICs) exhibit significant electric field confinement capabilities and have recently been employed to enhance nonlinear optics response at the nanosca…
Giant enhancement of the transverse magneto-optical Kerr effect in etchless bismuth-substituted yttrium iron garnet empowered by quasi-bound states in the continuum
Qin Tang, Dandan Zhang, Shuyuan Xiao +5
Here, we propose an etchless bismuth-substituted yttrium iron garnet layer assisted by a one-dimensional resonant grating waveguide to enhance transverse magneto-optical Kerr effec…
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…
Polarization-controlled non-Hermitian metasurfaces for ultra-sensitive terahertz sensing
Xintong Shi, Hai Lin, Tingting Liu +8
Non-Hermitian systems offer significant advantages in sensor design, especially at the exceptional points. However, the extreme sensitivity near these points poses great challenges…
High-efficiency broadband achromatic metalens in the visible
Liang Hou, Hongyuan Zhou, Dandan Zhang +5
The metalenses have been extensively studied for their compact and flexible characteristics in focusing and imaging applications. However, it remains a significant challenge to des…
Extremely intrinsic chirality in two-dimensional planar waveguide grating induced by quasi-bound states in the continuum
Dandan Zhang, Tingting Liu, Linlin Lei +6
The strong chiral light-matter interaction is crucial for various important fields such as chiral optics, quantum optics, and biomedical optics, driving a quest for the extreme int…