Science Advances

Supplementary Materials

This PDF file includes:

  • section S1. Minimizing SPP propagation losses
  • section S2. Minimizing SPP reflection losses
  • section S3. Optimization of the length of the SPP Fabry-Perot cavity
  • section S4. Optimization of the sampling-slit profile
  • section S5. Fabrication process and optical characterization
  • section S6. DCM material gain and spontaneous emission spectrum
  • section S7. Fitting laser rate equation to experimental SPP emission
  • section S8. Numerical simulation of the SPP Fabry-Perot laser
  • section S9. Modal analysis of SPP modes in the presence of a thin dielectric layer
  • section S10. Morphology characterization of the tapered coupling grating
  • section S11. Optimization of the SPP-pumped SPP laser
  • section S12. Simulation of grating-coupled pump SPPs
  • fig. S1. Surface morphology characterization of a template-stripped Ag film.
  • fig. S2. Propagation decay length of SPPs propagating on a template-stripped Ag-air interface.
  • fig. S3. Optimization of SPP reflection losses.
  • fig. S4. Design of an SPP resonator based on a lossy Fabry-Perot cavity model.
  • fig. S5. Optimization of the sampling-slit profile.
  • fig. S6. Spontaneous emission spectrum of PMMA:DCM.
  • fig. S7. Laser emission as a function of varying the spontaneous emission factor.
  • fig. S8. FDTD simulation of the SPP Fabry-Perot laser.
  • fig. S9. Dispersion of the lasing SPP mode.
  • fig. S10. Morphology characterization of the inverse grating structure patterned on the Si mesa.
  • fig. S11. Grating optimization of the SPP-pumped SPP laser.
  • fig. S12. Simulated steady-state intensity profiles for grating-decorated and grating-free Ag surfaces coated with a 260-nm-thick four-level gain medium.
  • References (36, 37)

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