Topological Insulator Laser Using Valley-Hall Photonic Crystals

  title={Topological Insulator Laser Using Valley-Hall Photonic Crystals},
  author={Yongkang Gong and Stephan Wong and Anthony J. Bennett and Diana L. Huffaker and Sang Soon Oh},
  journal={arXiv: Optics},
Topological photonics has recently been proved a robust framework for manipulating light. Active topological photonic systems, in particular, enable richer fundamental physics by employing nonlinear light-matter interactions, thereby opening a new landscape for applications such as topological lasing. Here we report an all-dielectric topological insulator laser scheme based on semiconductor cavities formed by topologically distinct Kagome photonic crystals. The proposed planar semiconductor… 

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