34 citations · 107 across the 21 of their papers we have counts for
23 papers
Joint GKP Encoding for GHZ States Transmission over Bosonic Quantum MIMO Channels
Seid Koudia, Selssabil Kadid, Symeon Chatzinotas +1
We study transmission of a Greenberger-Horne-Zeilinger (GHZ) state over nonunitary quantum multiple-input multiple-output (QuMIMO) channels using finite-energy Gottesman-Kitaev-Pre…
Sentinel-Based Failover for QKD-Augmented IPsec Tunnels
Juan Carlos Hernandez-Hernandez, Francesco Vista, Haftay Gebreslasie Abreha +3
Quantum-safe IPsec through hybrid key establishment is practical, but creates a critical operational challenge: how to maintain tunnel availability when the QKD infrastructure beco…
Quantum Decision Theory for Displacement Detection with Finite-Energy GKP States
Seid Koudia, Symeon Chatzinotas
We develop a quantum-decision-theoretic framework for detecting phase-space displacements with finite-energy, -level Gottesman-Kitaev-Preskill (GKP) probes. For single-mode and…
Measurement-Based Loss Tolerance in Graph-GKP Codes through Syndrome-Resolved Pauli-Frame Decoding
Seid Koudia, Symeon Chatzinotas
Graph codes offer multiple physical representatives of logical observables, while Gottesman-Kitaev-Preskill (GKP) codes retain analog information about bosonic displacement noise.…
A Slow-Time Receiver Interface for Turbulent Free-Space Quantum Polarization Links
Heyang Peng, Seid Koudia, Symeon Chatzinotas
Atmospheric turbulence makes free-space quantum polarization links intrinsically time varying, whereas receiver-side reduced interfaces are often treated as static. This paper deve…
Quantum MIMO Channel Modeling in Turbulent Free-Space Optical Links
Heyang Peng, Seid Koudia, Semih Oktay +2
Free-space optical (FSO) links supporting spatial multiplexing provide a natural physical realization of Quantum MIMO channels. We develop a first-principles model for Quantum MIMO…
Security Analysis of MDI-QKD in Turbulent Free-Space Polarization Channels-A Composite Channel Framework
Heyang Peng, Seid Koudia, Symeon Chatzinotas
Atmospheric turbulence poses a significant challenge to free-space measurement-device-independent quantum key distribution (FSO MDI-QKD) by inducing polarization decoherence and de…
Crosstalk-Resilient Quantum MIMO for Scalable Quantum Communications
Seid Koudia, Symeon Chatzinotas
We address the challenge of crosstalk in quantum multiplexing -an obstacle to scaling throughput in quantum communication networks. Crosstalk arises when physically coupled quantum…
Performance Analysis of MDI-QKD in Thermal-Loss and Phase Noise Channels
Heyang Peng, Seid Koudia, Leonardo Oleynik +1
Measurement-device-independent quantum key distribution (MDI-QKD), enhances quantum cryptography by mitigating detector-side vulnerabilities. This study analyzes MDI-QKD performanc…
Entanglement Distribution in Lossy Quantum Networks
Leonardo Oleynik, Junaid ur Rehman, Seid Koudia +1
Entanglement distribution is essential for unlocking the potential of distributed quantum information processing. We consider an -partite network where entanglement is distribut…
Quantum machine learning with Adaptive Boson Sampling via post-selection
Francesco Hoch, Eugenio Caruccio, Giovanni Rodari +18
The implementation of large-scale universal quantum computation represents a challenging and ambitious task on the road to quantum processing of information. In recent years, an in…
Space-Based Quantum Internet: Entanglement Distribution in Time-Varying LEO Constellations
Seid Koudia, Junaid ur Rehman, Symeon Chatzinotas
This paper addresses the complexities of entanglement distribution in LEO satellite networks, particularly those arising from their dynamic topology. Traditional static and dynamic…
Spatial-Mode Diversity and Multiplexing for Continuous Variables Quantum Communications
Seid Koudia, Leonardo Oleynik, Mert Bayraktar +2
We investigate the performance of continuous-variable (CV) quantum communication systems employing diversity schemes to mitigate the effects of realistic channel conditions, includ…
Diversity and Multiplexing in Quantum MIMO Channels
Junaid ur Rehman, Leonardo Oleynik, Seid Koudia +2
Characterization and exploitation of multiple channels between the transmitter and the receiver in multiple-input multiple-output (MIMO) communications brought a paradigm shift in…
Physical Layer Aspects of Quantum Communications: A Survey
Seid Koudia, Leonardo Oleynik, Mert Bayraktar +2
Quantum communication systems support unique applications in the form of distributed quantum computing, distributed quantum sensing, and several cryptographic protocols. The main e…
Simulating photonic devices with noisy optical elements
Michele Vischi, Giovanni Di Bartolomeo, Massimiliano Proietti +4
Quantum computers are inherently affected by noise. While in the long-term error correction codes will account for noise at the cost of increasing physical qubits, in the near-term…
The Quantum Internet: an Efficient Stabilizer states Distribution Scheme
Seid Koudia
Quantum networks constitute a major part of quantum technologies. They will boost distributed quantum computing drastically by providing a scalable modular architecture of quantum…
Quantum Internet: from Medium Access Control to Entanglement Access Control
Jessica Illiano, Michele Viscardi, Seid Koudia +2
Multipartite entanglement plays a crucial role for the design of the Quantum Internet, due to its potentiality of significantly increasing the network performance. In this paper, w…
The Quantum Internet: Enhancing Classical Internet Services one Qubit at a Time
Angela Sara Cacciapuoti, Jessica Illiano, Seid Koudia +2
Nowadays, the classical Internet has mainly envisioned as the underlying communication infrastructure of the Quantum Internet, aimed at providing services such as signaling and coo…
Deterministic Generation of Multipartite Entanglement via Causal Activation in the Quantum Internet
Seid Koudia, Angela Sara Cacciapuoti, Marcello Caleffi
Entanglement represents ``\textit{the}'' key resource for several applications of quantum information processing, ranging from quantum communications to distributed quantum computi…
Quantum Non-Gaussianity From An Indefinite Causal Order of Gaussian Operations
Seid Koudia, Abdelhakim Gharbi
Quantum Non-Gaussian states are considered as a useful resource for many tasks in quantum information processing, from quantum metrology and quantum sensing to quantum communicatio…
How Deep the Theory of Quantum Communications Goes: Superadditivity, Superactivation and Causal Activation
Seid Koudia, Angela Sara Cacciapuoti, Kyrylo Simonov +1
In the theory of quantum communications, a deeper structure has been recently unveiled, showing that the capacity does not completely characterize the channel ability to transmit i…
Process estimation in qubit systems: a quantum decision theory approach
Ivan Maffeis, Seid Koudia, Abdelhakim Gharbi +1
We address quantum decision theory as a convenient framework to analyze process discrimination and estimation in qubit systems. In particular we discuss the following problems: i)…