Far-fields and scaling laws of two-dimensional tm modes in dirac-vortex topological cavity

HIGHLIGHTS

• What: The authors demonstrate the singlemode of two-dimensional TM Dirac-vortex topological cavity modes, that are not only generally available for high power topological surface emitting lasers: TCSEL, but also is one of the excellent candidates for refractive index sensors. The authors demonstrate the rules of Dirac-vortex topological cavity with transverse magnetic (TM) modes, the authors investigate the near and far fields for different winding numbers at 1,550 nm, this point has not been reported in previous Articles . The paper provides a theoretical basis for subsequent research on Dirac-vortex topological cavity with TM . . .
  

   

  

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