Work

Routing qubits on noisy networks

Year: 2026

Type: article

Abstract: Robust quantum routing is essential for scalable quantum technologies. This paper investigates the resilience of routing protocols in network architectures designed for perfect, high-fidelity transfer of both classical and quantum information under ideal conditions. We encode information in the position of a quantum walker on a graph, modelling the routing of a generic qubit state from a single input to multiple (orthogonal) outputs. We analyse and assess routing performance in various regimes, evaluating their robustness against static and dynamical noise.

Source: Journal of Physics Complexity

DOI: 10.1088/2632-072x/ae5439

Authors: Claudia Benedetti, Giovanni Ragazzi, Simone Cavazzoni, Paolo Bordone, Matteo G A Paris

Institutions: University of Milan, University of Modena and Reggio Emilia

Language: English

Topic: Quantum Computing Algorithms and Architecture

Subfield: Artificial Intelligence

Field: Computer Science

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,600

Funders: Istituto Nazionale di Alta Matematica "Francesco Severi", Gruppo Nazionale per la Fisica Matematica