Direct observation of “pseudospin”-mediated vortex generation in photonic graphene

Daohong Song MOE Key Laboratory of Weak-Light Nonlinear Photonics, Nankai University, Tianjin, China Liqin Tang MOE Key Laboratory of Weak-Light Nonlinear Photonics, Nankai University, Tianjin, China Yi Zhu Department of Applied Mathematics, University of Colorado, Colorado, USA Zhou Pei-Yuan Center for Applied Mathematics, Tsinghua University, Beijing, China Mark Ablowwitz Department of Applied Mathematics, University of Colorado, Colorado, USA Vassilis Paltoglou Department of Applied Mathematics, University of Crete, Crete, Greece Nikolaos K. Efremidis Department of Applied Mathematics, University of Crete, Crete, Greece Jingjun Xu MOE Key Laboratory of Weak-Light Nonlinear Photonics, Nankai University, Tianjin, China Zhigang Chen Department of Physics and Astronomy, San Francisco State University, San Francisco, CA; MOE Key Laboratory of Weak-Light Nonlinear Photonics, Nankai University, Tianjin, China

TBD mathscidoc:2204.43022

2014 Conference on Lasers and Electro-Optics (CLEO) - Laser Science to Photonic Applications, 2014.12
We observe vortex generation by selective excitation of two honeycomb sublattices at the vicinity of Dirac points. Such vortices arise from graphene “pseudospin”, suggesting that “pseudospin” could be observable and possess real angular momentum.
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@inproceedings{daohong2014direct,
  title={Direct observation of “pseudospin”-mediated vortex generation in photonic graphene},
  author={Daohong Song, Liqin Tang, Yi Zhu, Mark Ablowwitz, Vassilis Paltoglou, Nikolaos K. Efremidis, Jingjun Xu, and Zhigang Chen},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220428153509796031153},
  booktitle={2014 Conference on Lasers and Electro-Optics (CLEO) - Laser Science to Photonic Applications},
  year={2014},
}
Daohong Song, Liqin Tang, Yi Zhu, Mark Ablowwitz, Vassilis Paltoglou, Nikolaos K. Efremidis, Jingjun Xu, and Zhigang Chen. Direct observation of “pseudospin”-mediated vortex generation in photonic graphene. 2014. In 2014 Conference on Lasers and Electro-Optics (CLEO) - Laser Science to Photonic Applications. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220428153509796031153.
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