text: import gdsfactory as gf
  from gdsfactory.component import Component
  from gdsfactory.components.circle import circle
  from gdsfactory.types import Layer
  
  
  @gf.cell
  def marker_vertical_te(width: float = 11.0, layer: Layer = (203, 0)) -> Component:
      c = Component()
      c << circle(radius=width / 2, layer=layer)
      return c
  
  
  @gf.cell
  def marker_vertical_tm(width: float = 11.0, layer: Layer = (204, 0)) -> Component:
      c = Component()
      c << circle(radius=width / 2, layer=layer)
      return c
  
  
  if __name__ == "__main__":
      c = marker_vertical_te()
      c.show()
  