Information Leakage due to Detection Coupling Mismatch

Tanya Sharma; Tanya Sharma; Ayan Biswas; Pooja Chandravanshi; Shashi Prabhakar; R.P. Singh

doi:10.1364/QUANTUM.2022.QW2A.2

Quantum 2.0 Conference and Exhibition
Technical Digest Series (Optica Publishing Group, 2022),
paper QW2A.2
•https://doi.org/10.1364/QUANTUM.2022.QW2A.2

Information Leakage due to Detection Coupling Mismatch

Tanya Sharma, Ayan Biswas, Pooja Chandravanshi, Shashi Prabhakar, and R.P. Singh

Quantum 2.0 2022

Boston, MA United States
13–16 June 2022
ISBN: 978-1-957171-11-1

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Poster Session II: Virtual (QW2A)

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T. Sharma, A. Biswas, P. Chandravanshi, S. Prabhakar, and R. P. Singh, "Information Leakage due to Detection Coupling Mismatch," in Quantum 2.0 Conference and Exhibition, Technical Digest Series (Optica Publishing Group, 2022), paper QW2A.2.

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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 eaves-dropper and receiver.

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