Journal
OPTICS EXPRESS
Volume 20, Issue 7, Pages 6915-6926Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.20.006915
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- KRISS
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We propose and demonstrate the scaling up of photonic graph states through path qubit fusion. Two path qubits from separate two-photon four-qubit states are fused to generate a two-dimensional seven-qubit graph state composed of polarization and path qubits. Genuine seven-qubit entanglement is verified by evaluating the witness operator. Six qubits from the graph state are used to demonstrate the Deutsch-Jozsa algorithm for general two-bit functions with a success probability greater than 90%. (C) 2012 Optical Society of America
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