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Superconducting Qubits
Entanglement genesis by ancilla-based parity measurement in 2D circuit QED
arXiv
Authors: O. -P. Saira, J. P. Groen, J. Cramer, M. Meretska, G. de Lange, L. DiCarlo
Year
2013
Paper ID
31808
Status
Preprint
Abstract Read
~2 min
Abstract Words
69
Citations
N/A
Abstract
We present an indirect two-qubit parity meter in planar circuit quantum electrodynamics, realized by discrete interaction with an ancilla and a subsequent projective ancilla measurement with a dedicated, dispersively coupled resonator. Quantum process tomography and successful entanglement by measurement demonstrate that the meter is intrinsically quantum non-demolition. Separate interaction and measurement steps allow commencing subsequent data qubit operations in parallel with ancilla measurement, offering time savings over continuous schemes.
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- We present an indirect two-qubit parity meter in planar circuit quantum electrodynamics, realized by discrete interaction with an ancilla and a subsequent projective ancilla...
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