Science Advances

This PDF file includes:

• Supplementary Text
  
• fig. S1. Scanning probe fabrication.
  
• fig. S2. SEM characterization.
  
• fig. S3. Schematic of the optical setup.
  
• fig. S4. Simulated mode profiles and far-field spectra of PNRs for different gap widths and slit lengths between 80 and 440 nm.
  
• fig. S5. Calculating the coupling strength.
  
• fig. S6. Near-field proximity coupling.
  
• fig. S7. Purcell factor of PNR.
  
• fig. S8. Emission and excitation near-field distribution.
  
• fig. S9. QD resonance shift for high excitation rates.
  
• fig. S10. Coupling of a QD to an unstructured gold tip.
  
• fig. S11. Weak coupling PNR scanning probe.
  
• fig. S12. Difference between excitation and emission enhancement.
  
• fig. S13. Calculated fluorescence peaks for different excitation rates for an emitter scanned through a Gaussian field profile with a Purcell factor reaching up to 1000.
  
• fig. S14. Cavity characterization.
  
• fig. S15. Five-level diagram of the QD.
  
• fig. S16. Decomposing the emission of a strongly coupled QD.
  
• fig. S17. Reversible blue shift for increased excitation rates during SC.
  
• fig. S18. Collection of spectra of five different QDs in SC with the PNR.
  
• fig. S19. Collective coupling of a multilevel emitter with a resonant cavity.
  
• fig. S20. Saturation of the strongly coupled system.
  
• References (49–99)

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