2020/05/31 by Nayana Das, Goutam Paul · 2 citations
Computer Science · Physics and Astronomy · #Computer network #Computer science #Entanglement distillation #Information leakage #Physics #Protocol (science) #Quantum #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum Mechanics and Applications #Quantum mechanics #Qubit #Superconducting quantum computing #Theoretical computer science #cs.CR #quant-ph
paper · pdf · doi:10.1142/s0219749920500380
published as International Journal of Quantum Information 18.07 (2020): 2050038
arxiv created 2020/06/11 · crossref issued 2020/10/01 · crossref published 2020/10/01 · crossref published-print 2020/10/01 · openalex publication_date 2020/10/01 · crossref published-online 2020/11/13 · crossref created 2020/11/17 · crossref deposited 2021/02/10 · arxiv updated 2022/02/23 · openalex created_date 2025/10/10 · crossref indexed 2026/08/01 · openalex updated_date 2026/08/05
Quantum dialogue is a process of two-way secure and simultaneous communication using a single channel. Recently, a Measurement Device Independent Quantum Dialogue (MDI-QD) protocol has been proposed [A. Maitra, Measurement device independent quantum dialogue,Quantum Inf. Process. 16(12) (2017) 305]. To make the protocol secure against information leakage, the authors have discarded almost half of the qubits remaining after the error estimation phase. In this paper, we propose two modified versions of the MDI-QD protocol such that the number of discarded qubits is reduced to almost one-fourth of the remaining qubits after the error estimation phase. We use almost half of their discarded qubits along with their used qubits to make our protocol more efficient in qubits count. We show that both of our protocols are secure under the same adversarial model given in MDI-QD protocol.