New analytical bounds give positive secret key rates for passive-basis-choice BB84 with large detection-efficiency mismatch, including a satellite QKD pass where prior analysis yielded zero.
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Security of quantum key distribution with passive basis choice and detection-efficiency mismatch for a realistic satellite setup
New analytical bounds give positive secret key rates for passive-basis-choice BB84 with large detection-efficiency mismatch, including a satellite QKD pass where prior analysis yielded zero.