Single-qubit, entanglement-assisted and ancilla-assisted quantum process tomography

Single-qubit, entanglement-assisted and ancilla-assisted quantum process tomography

Quantum process tomography allows complete and precise characterization of a quantum operation. We report quantum process tomography of unitary, decohering, and partially polarizing operations using single-qubit, maximally entangled, and non-entangled input states.

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Bibliographische Detailangaben
Hauptverfasser: Altepeter, J.B., Branning, D., Jeffrey, E., Wei, C., Kwiat, P.G., Thew, R.T., O'Brien, J.L., Nielsen, M.A., White, A.G.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Australia
Birefringence
Laser excitation
Photonic crystals
Physics computing
Polarization
Quantum computing
Quantum entanglement
State-space methods
Tomography
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Beschreibung
Zusammenfassung:Quantum process tomography allows complete and precise characterization of a quantum operation. We report quantum process tomography of unitary, decohering, and partially polarizing operations using single-qubit, maximally entangled, and non-entangled input states.
DOI:10.1109/QELS.2003.238205