dorsal/arxiv
View SchemaCorrecting low-frequency noise with continuous measurement
| Authors | L. Tian |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0606158 |
| URL | https://arxiv.org/abs/quant-ph/0606158 |
| DOI | 10.1103/PhysRevLett.98.153602 |
| Journal | Phys. Rev. Lett. 98, 153602 (2007) |
Abstract
Low-frequency noise presents a serious source of decoherence in solid-state qubits. When combined with a continuous weak measurement of the eigenstates, the low-frequency noise induces a second-order relaxation between the qubit states. Here we show that the relaxation provides a unique approach to calibrate the low-frequency noise in the time-domain. By encoding one qubit with two physical qubits that are alternatively calibrated, quantum logic gates with high fidelity can be performed.
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"abstract": "Low-frequency noise presents a serious source of decoherence in solid-state\nqubits. When combined with a continuous weak measurement of the eigenstates,\nthe low-frequency noise induces a second-order relaxation between the qubit\nstates. Here we show that the relaxation provides a unique approach to\ncalibrate the low-frequency noise in the time-domain. By encoding one qubit\nwith two physical qubits that are alternatively calibrated, quantum logic gates\nwith high fidelity can be performed.",
"arxiv_id": "quant-ph/0606158",
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"L. Tian"
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"doi": "10.1103/PhysRevLett.98.153602",
"journal_ref": "Phys. Rev. Lett. 98, 153602 (2007)",
"title": "Correcting low-frequency noise with continuous measurement",
"url": "https://arxiv.org/abs/quant-ph/0606158"
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