82 citations · 192 across the 13 of their papers we have counts for
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Nonlinear optical thermodynamics from a van der Waals-type mean-field theory
Meng Lian, Zhongfei Xiong, Yuntian Chen +1
Optical thermodynamics offers a distinctive framework for understanding complex phenomena in multimode systems, yet standard ideal-gas-like formulation neglects the effect of nonli…
Nonsymmorphic symmetry adapted finite element modeling of glide-symmetric photonic structures
Lida Liu, Jingwei Wang, Yuhao Jing +3
Space group theory is pivotal in the design of nanophotonics devices, enabling the characterization of periodic optical structures such as photonic crystals. The aim of this study…
Numerical approximation of slowlingly varying envelope in finite element electromagnetism: a ray-wave method of modeling multi-scale devices
Fan Xiao, Jingwei Wang, Zhongfei Xiong +1
In this work we propose an efficient and accurate multi-scale optical simulation algorithm by applying a numerical version of slowly varying envelope approximation in FEM. Specific…
Efficient finite element modeling of photonic modal analysis augmented by combined symmetry
Jingwei Wang, Lida Liu, Yuhao Jing +2
In this work, we present an efficient numerical implementation of the finite element method for modal analysis that leverages various symmetry operations, including spatial symmetr…
Amplified Light Beam Cooling via Emergent Onsager's Irreversible Thermodynamics
Zhongfei Xiong, Fan O. Wu, Yang Liu +3
High-brightness coherent light source is at the heart of optical technology and yet challenging to achieve. Here, we propose an unconventional approach that utilizes the "forbidden…
Nonequilibrium transport and the fluctuation theorem in the thermodynamic behaviors of nonlinear photonic systems
Yang Liu, Jincheng Lu, Zhongfei Xiong +4
Nonlinear multimode optical systems have attracted substantial attention due to their rich physical properties. Complex interplay between the nonlinear effects and mode couplings m…
Efficient and accurate numerical-projection of electromagnetic multipoles for scattering objects
Wenfei Guo, Zizhe Cai, Zhongfei Xiong +2
In this paper, we develop an efficient and accurate procedure of electromagnetic multipole decomposition by using the Lebedev and Gaussian quadrature methods to perform the numeric…
Optically reconfigurable quantum spin-valley Hall effect of light in coupled nonlinear ring resonator lattice
Haofan Yang, Jing Xu, Zhongfei Xiong +4
Scattering immune propagation of light in topological photonic systems may revolutionarize the design of integrated photonic circuits for information processing and communications.…
Hidden-symmetry-enforced nexus points of nodal lines in layer-stacked dielectric photonic crystals
Zhongfei Xiong, Ruo-Yang Zhang, Rui Yu +2
It was recently demonstrated that the connectivities of bands emerging from zero frequency in dielectric photonic crystals are distinct from their electronic counterparts with the…
Gauge-field description of Sagnac frequency shift and mode hybridization in a rotating cavity
Hongkang Shi, Zhongfei Xiong, Weijin Chen +3
Active optical systems can give rise to intriguing phenomena and applications that are not available in conventional passive systems. Structural rotation has been widely employed t…
Non-Abelian gauge field optics
Yuntian Chen, Ruo-Yang Zhang, Zhongfei Xiong +4
The concept of gauge field is a cornerstone of modern physics and the synthetic gauge field has emerged as a new way to manipulate particles in many disciplines. In optics, several…
Generalized coupled mode formalism in reciprocal waveguides with gain/loss, anisotropy or bianisotropy
Weijin Chen, Zhongfei Xiong, Jing Xu +1
In anisotropic or bianisotropic waveguides, the standard coupled mode theory fails due to the broken link between the forward and backward propagating modes, which together form th…
Classification of symmetry properties of waveguide modes in presence of gain/losses, anisotropy/bianisotropy, or continuous/discrete rotational symmetry
Zhongfei Xiong, Weijin Chen, Peng Wang +1
We study the symmetric properties of waveguide modes in presence of gain/losses, anisotropy/bianisotropy, or continuous/discrete rotational symmetry. We provide a comprehensive app…