Experimental controlled-NOT logic gate for single photons in the coincidence basis
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- 26 September 2003
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 68 (3) , 032316
- https://doi.org/10.1103/physreva.68.032316
Abstract
We report a proof-of-principle demonstration of a probabilistic controlled-NOT gate for single photons. Single-photon control and target qubits were mixed with a single ancilla photon in a device constructed using only linear optical elements. The successful operation of the controlled-NOT gate relied on post-selected three-photon interference effects, which required the detection of the photons in the output modes.Keywords
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