3 papers
quant-ph2026
Performance Analysis of Underwater Quantum Key Distribution Protocols: BB84, SARG04, and BBM92
Nour Rizk, Angélique Drémeau, Angélique Drémeau +1
This study compares the quantum bit error rate (QBER) performance of BB84, SARG04, and the entanglement-based BBM92 protocol in non-turbulent underwater optical channels. Clear, co…
quant-ph2026
CV-QKD over Turbulence Channels with Virtual Photon Subtraction and Quantum Multiple-Symbol Detection for Underwater Quantum Communications
Nour Rizk, Hesham S. Ibrahim, Angélique Drémeau +1
Continuous-variable quantum key distribution (CV-QKD) is a promising approach for secure underwater quantum communications (UQCs), where propagation loss, scattering, turbulence, a…
quant-ph2026
Non-Maximally Entangled States for Quantum Key Distribution in Underwater Channels: BBM92 Protocol via Kraus Operators
Nour Rizk, Angélique Drémeau, Arnaud Coatanhay
Underwater optical channels pose significant challenges to the security and reliability of quantum communication systems due to absorption and scattering. In this paper, we investi…