Experimental characterization of a non-local convertor for quantum photonic networks

Abstract

We experimentally characterize a quantum photonic gate that is capable of converting multiqubit entangled states while acting only on two qubits. It is an important tool in large quantum networks, where it can be used for re-wiring of multipartite entangled states or for generating various entangled states required for specific tasks. The gate can be also used to generate quantum information processing resources, such as entanglement and discord. In our experimental demonstration, we converted a linear four-qubit cluster state into different entangled states, including GHZ and Dicke states. The high quality of the experimental results show that the gate has the potential of being a flexible component in distributed quantum photonic networks.

5 pages, 4 figures

References in corpus (12)

• The Quantum Internet
• Photonic quantum technologies
• High-speed linear optics quantum computing using active feed-forward
• Experimental entanglement of a six-photon symmetric Dicke state
• Experimental Observation of Four-Photon Entangled Dicke State with High Fidelity
• Operational Significance of Discord Consumption: Theory and Experiment
• Experimental Quantum Secret Sharing and Third-Man Quantum Cryptography
• Experimental demonstration of graph-state quantum secret sharing
• Experimental Realization of a One-way Quantum Computer Algorithm Solving Simon's Problem
• Highly stable polarization independent Mach-Zehnder interferometer
• Experimental Realization of the Deutsch-Jozsa Algorithm with a Six-Qubit Cluster State
• Photonic multipartite entanglement conversion using nonlocal operations