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Towards a Source of Multi-Photon Entangled States for Linear Optical Quantum Computing
J. P. Lee, B. Villa, A. Bennett, R. Stevenson, D. Ellis, I. Farrer, D. Ritchie, A. Shields·April 30, 2018·DOI: 10.1088/2058-9565/ab0a9b
Physics
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Abstract
We propose a scheme to make use of recent advances in cavity QED-enhanced resonance fluorescence from quantum dots to generate a stream of entangled and indistinguishable photons. We then demonstrate that we can optically manipulate the state of a trapped hole spin to achieve complete coherent control of a qubit. In combination with the selective cavity enhancement of the resonantly excited transition, we use this capability to perform a proof-of-principle demonstration of our proposal by showing that the time bin of a single photon is dependent on the measured state of the trapped spin.