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Experimentally generating and tuning robust entanglement between photonic qubits
2009
New Journal of Physics
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We generate and study the entanglement properties of novel states composed of three polarisation-encoded photonic qubits. By varying a single experimental parameter we can coherently move from a fully separable state to a maximally robust W state, while at all times preserving an optimally robust, symmetric entanglement configuration. We achieve a high fidelity with these configurations experimentally, including the highest reported W state fidelity.
doi:10.1088/1367-2630/11/1/013008
fatcat:nbd2zthyifasbkgthv5hl7hyiy