5 papers
Differentiable eigendecomposition-free RCWA for full-tensor anisotropic photonics
Enbo Yang, Qiang Song, Weiwei Cai
Full-tensor anisotropy transforms rigorous coupled-wave analysis (RCWA) into a large, fully coupled non-Hermitian eigenproblem, making eigendecomposition expensive and difficult to…
Volumetric Optical Scattering Neural Networks
Xuhao Luo, Qiang Song, Weiwei Cai +7
Optical neural networks offer a route to low-latency and energy-efficient inference by encoding computation in light propagation. However, most existing implementations rely on pla…
Unfolding Framework with Complex-Valued Deformable Attention for High-Quality Computer-Generated Hologram Generation
Haomiao Zhang, Zhangyuan Li, Yanling Piao +6
Computer-generated holography (CGH) has gained wide attention with deep learning-based algorithms. However, due to its nonlinear and ill-posed nature, challenges remain in achievin…
Achromatic single-layer hologram
Zhi Li, Wenhui Zhou, Xin Yuan +4
Phase retrieval is a fundamental technique of advanced optical technologies, enabling precise control over wavefront properties. A persistent challenge in diffractive optical eleme…
Phase space framework enables a variable-scale diffraction model for coherent imaging and display
Zhi Li, Xuhao Luo, Jing Wang +4
The fast algorithms in Fourier optics have invigorated multifunctional device design and advanced imaging technologies. However, the necessity for fast computations has led to limi…