Science Advances

Supplementary Materials

This PDF file includes:

  • section S1. In-plane FT for converging SPP waves
  • section S2. Algorithm for obtaining the initial launching distribution of the SPP fields
  • section S3. Compensating spiral phase carried by the circularly polarized beam
  • section S4. Discussion on the spatial resolution of the generated SPP field
  • section S5. Experimental setup
  • section S6. Experimental demonstration of the phase control
  • section S7. Additional results for dynamically structuring SPP fields
  • fig. S1. Derivation of the in-plane FT of surface waves.
  • fig. S2. Algorithm process flow to obtain the initial launching distribution of the SPP fields.
  • fig. S3. Schematic diagram of the spiral phase compensation by an inverse spiral phase distribution.
  • fig. S4. Single focused spot of plasmonic field.
  • fig. S5. Two equally bright coherent spots separated by one full width at half maximum with the phase difference between the two spots as 0, π, and 0.5π.
  • fig. S6. Schematic diagram of the experimental setup.
  • fig. S7. Experimental demonstration of dynamic switching of the phase gradient.
  • fig. S8. Results for dynamically structuring SPP fields.
  • References (40–44)

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Other Supplementary Material for this manuscript includes the following:

  • movie S1 (.mp4 format). Clockwise energy flow for the elliptical plasmonic field.
  • movie S2 (.mp4 format). Counterclockwise energy flow for the elliptical plasmonic field.

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