Science Advances

Supplementary Materials

This PDF file includes:

  • section S1. Finite-key estimates for the experiment
  • section S2. Secret key rate simulation
  • section S3. Detector efficiency calibration
  • section S4. Numerically optimized secret key rate
  • section S5. Experimental parameters
  • section S6. Generation of the phase states
  • fig. S1. Efficiency of single-photon detectors.
  • fig. S2. Numerical simulation.
  • fig. S3. Graphical illustration of all phase states in d = 4.
  • fig. S4. Generation of phase states.
  • table S1. Length of sifted data.
  • References (38–40)

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