Information Leakage due to Detection Coupling Mismatch
Source
Quantum 2.0 Conference 2022
Date Issued
2022-01-01
Author(s)
Sharma, Tanya
Biswas, Ayan
Chandravanshi, Pooja
Prabhakar, Shashi
Singh, R. P.
Abstract
An eavesdropper may gain information by exploiting device imperfections while implementing quantum key distribution protocols. We find information leakage due to coupling mismatch at receiver’s detectors in terms of mutual information between eavesdropper and receiver.