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16 papers · 1 filter
Thresholdless corner vortex solitons in fractal Sierpiński topological insulators
Yiqi Zhang, Alexander V. Kireev, Victor O. Kompanets +12
Quantized vortices are ubiquitous in physics, spanning superconductivity, astrophysics, superfluid condensed matter systems, and nonlinear optics. Yet embedding vorticity into topo…
Non-Hermitian Anomalous Scaling Engineering
Shulin Wang, Jiawei He, Zhiyuan Yang +2
Non-Hermitian systems exhibit anomalous scaling, a striking departure from conventional bulk laws, rooted in the non-Hermitian skin effect (NHSE). Here, we experimentally uncover t…
Quantitative Dynamic Phase Mapping via Single-Arm Field-Correlation Ghost Imaging
Chaoran Wang, Jinquan Qi, Shuang Liu +2
We demonstrate a single-arm optical platform for phase-retrieval-free, quantitative dynamic phase mapping of continuous transparent media via field-correlation ghost imaging. By mo…
Hybrid integrated narrow linewidth laser with external distributed optical feedback from a silicon strip waveguide
Da Wei, Leilei Shi, Yujia Li +8
External optical feedback via Rayleigh scattering from an integrated microresonator or an optical fiber has been demonstrated to significantly narrow the intrinsic linewidth of sem…
Passive All-Optical Nonlinear Neuron Activation via PPLN Nanophotonic Waveguides
Wujie Fu, Xiaodong Shi, Sakthi Sanjeev Mohanraj +10
Artificial intelligence (AI) is transforming modern life, yet the growing scale of AI applications places mounting demands on computational resources, raising sustainability concer…
Self-Accelerating Topological Edge States
Zhuo Zhang, Yaroslav V. Kartashov, Milivoj R. Belić +2
Edge states emerging at the boundaries of materials with nontrivial topology are attractive for many practical applications due to their remarkable robustness to disorder and local…