典型文献
Topologically tuned terahertz confinement in a nonlinear photonic chip
文献摘要：
Compact terahertz(THz)functional devices are greatly sought after for high-speed wireless communication,biochemical sensing,and non-destructive inspection.However,controlled THz generation,along with transport and detection,has remained a challenge especially for chip-scale devices due to low-coupling efficiency and unavoidable absorption losses.Here,based on the topological protection of electromagnetic waves,we demonstrate nonlinear generation and topologically tuned confinement of THz waves in an engineered lithium niobate chip forming a wedge-shaped Su-Schrieffer-Heeger lattice.Experimentally measured band structures provide direct visualization of the THz localization in the momentum space,while robustness of the confined mode against chiral perturbations is also analyzed and compared for both topologically trivial and nontrivial regimes.Such topological control of THz waves may bring about new possibilities in the realization of THz integrated circuits,promising for advanced photonic applications.
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作者姓名：
Jiayi Wang;Shiqi Xia;Ride Wang;Ruobin Ma;Yao Lu;Xinzheng Zhang;Daohong Song;Qiang Wu;Roberto Morandotti;Jingjun Xu;Zhigang Chen
作者机构：
The MOE Key Laboratory of Weak-Light Nonlinear Photonics,TEDA Institute of Applied Physics and School of Physics,Nankai University,Tianjin 300457,China;Innovation Laboratory of Terahertz Biophysics,National Innovation Institute of Defense Technology,100071 Beijing,China;Collaborative Innovation Center of Extreme Optics,Shanxi University,030006 Taiyuan,Shanxi,China;INRS-EMT,1650 Blvd.Lionel-Boulet,Varennes,QC J3X 152,Canada
文献出处：
引用格式：
[1]Jiayi Wang;Shiqi Xia;Ride Wang;Ruobin Ma;Yao Lu;Xinzheng Zhang;Daohong Song;Qiang Wu;Roberto Morandotti;Jingjun Xu;Zhigang Chen-.Topologically tuned terahertz confinement in a nonlinear photonic chip)[J].光：科学与应用（英文版）,2022(06):1296-1303
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0.693167
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