Operational bounds on state exclusion (not only identification) plus a three-setting retained-key protocol certify positive SDI-QKD rates down to nearly vanishing preparation visibility.
The degree- three row set is W(3) min ={red(w) :w∈{B0,B 1,B 2,E}∗,|w|≤3}.(D6) The production implementation verifies that this set con- tains32reduced words
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Semi-Device-Independent Quantum Key Distribution from Operational Assumptions
Operational bounds on state exclusion (not only identification) plus a three-setting retained-key protocol certify positive SDI-QKD rates down to nearly vanishing preparation visibility.