Science Advances
Supplementary Materials
This PDF file includes:
- section S1. Definition of the device parameter
- section S2. Preparation and characterization of (8, 4) and (8, 3) and highsemiconducting-purity
CNTs
- section S3. Analysis of the Au-strip waveguide mode
- section S4. PL spectra of the nonchirality-selected and (8, 4) and (8, 3) CNTs
- section S5. PL and EL spectra of the (8, 4) and (8, 3) CNTs-based emitter
- section S6. Propagation loss of the Au-strip waveguide versus vacuum wavelength
- section S7. Analysis of the FWHM of the SPP source
- section S8. Far-field emission of the LSPs
- section S9. Structure and performance of the CNT-based PV cascading detector
- section S10. The reason to select cascading SPP detector
- section S11. The near-field enhancement of the Au-strip waveguide
- section S12. Three-dimensional FDTD calculation of the SPP waveguide mode
- section S13. Calculation of the experimental propagation loss
- section S14. Analysis of the transmitted SPP energy in the detector
- section S15. SEM image of S3 indicating the exit of the source as P1 and the entrance the detector as P2
- section S16. Calculation of the conversion efficiency
- section S17. Estimation of the power to generate 8 mV photovoltage
- section S18. Analysis of the coupling efficiency as a function of CNT orientation
versus Au-strip waveguide
- fig. S1. Definition of the channel length and width in the PIC system.
- fig. S2. Raman spectra of (8, 4) and (8, 3) and high–semiconducting purity CNTs.
- fig. S3. Mode distribution of the Au-strip waveguide.
- fig. S4. PL spectra.
- fig. S5. PL and EL spectra of the (8, 4) and (8, 3) CNT-based emitter.
- fig. S6. Propagation loss of the Au-strip waveguide versus vacuum wavelength.
- fig. S7. Analysis of the LSPs induced far-field emission.
- fig. S8. Structure and performance of the CNT cascading detector.
- fig. S9. Characteristics of the single-channel PIC.
- fig. S10. Near-field enhancement of the Au-strip waveguide.
- fig. S11. EL spectrum collected at the end of the detector.
- fig. S12. SEM image of S3 indicating the exit of the source as P1 and the entrance of the detector as P2.
- fig. S13. Photoresponse of the cascading detector under normal incident IR
illumination.
- fig. S14. Schematic of the CNT orientation versus Au-strip waveguide direction.
- table S1. Averaged diameter, bandgap, and absorption range of (8, 4) and (8, 3)
and high–semiconducting purity CNTs.
- References (43–45)
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