Experimental Demonstration of Self-Guided Quantum Tomography

Publication Type:
Journal Article
Citation:
Physical Review Letters, 2016, 117 (4)
Issue Date:
2016-07-21
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© 2016 American Physical Society. Traditional methods of quantum state characterization are impractical for systems of more than a few qubits due to exponentially expensive postprocessing and data storage and lack robustness against errors and noise. Here, we experimentally demonstrate self-guided quantum tomography performed on polarization photonic qubits. The quantum state is iteratively learned by optimizing a projection measurement without any data storage or postprocessing. We experimentally demonstrate robustness against statistical noise and measurement errors on single-qubit and entangled two-qubit states.
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