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Reduction of the Systematic Error in the Readout of 171Yb+-Ion Optical Qubits Using Microwave Pumping.

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Title: Reduction of the Systematic Error in the Readout of 171Yb+-Ion Optical Qubits Using Microwave Pumping.
Authors: Anosov, Yu. P.1 (AUTHOR) uriy.anosov@yandex.ru, Borisenko, A. S.1 (AUTHOR), Zalivako, I. V.1 (AUTHOR), Semenin, N. V.1 (AUTHOR), Semerikov, I. A.1 (AUTHOR), Khabarova, K. Yu.1 (AUTHOR), Kolachevsky, N. N.1 (AUTHOR)
Source: JETP Letters. Apr2026, Vol. 123 Issue 7, p495-500. 6p.
Subjects: Ytterbium ions, Hyperfine structure, Quantum measurement, Qubits, Statistical bias
Abstract: An increase in the readout fidelity of an optical qubit in a 171Yb+ ion by adding a microwave pumping stage before the measurement has been experimentally demonstrated. The introduction of a microwave -pulse between the hyperfine components of the ion ground state before the readout makes it possible to avoid the optical pumping stage at the beginning of the measurement, which leads to a systematic error in the state determination. The conclusions of the theoretical model of the readout process have been experimentally confirmed and an increase in the readout accuracy from (98.98 ± 0.10)% to (99.48 ± 0.07)% has been demonstrated. [ABSTRACT FROM AUTHOR]
Copyright of JETP Letters is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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PubType: Academic Journal
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  Data: Reduction of the Systematic Error in the Readout of <superscript>171</superscript>Yb<superscript>+</superscript>-Ion Optical Qubits Using Microwave Pumping.
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  Data: <searchLink fieldCode="JN" term="%22JETP+Letters%22">JETP Letters</searchLink>. Apr2026, Vol. 123 Issue 7, p495-500. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Ytterbium+ions%22">Ytterbium ions</searchLink><br /><searchLink fieldCode="DE" term="%22Hyperfine+structure%22">Hyperfine structure</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+measurement%22">Quantum measurement</searchLink><br /><searchLink fieldCode="DE" term="%22Qubits%22">Qubits</searchLink><br /><searchLink fieldCode="DE" term="%22Statistical+bias%22">Statistical bias</searchLink>
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  Data: An increase in the readout fidelity of an optical qubit in a 171Yb+ ion by adding a microwave pumping stage before the measurement has been experimentally demonstrated. The introduction of a microwave -pulse between the hyperfine components of the ion ground state before the readout makes it possible to avoid the optical pumping stage at the beginning of the measurement, which leads to a systematic error in the state determination. The conclusions of the theoretical model of the readout process have been experimentally confirmed and an increase in the readout accuracy from (98.98 ± 0.10)% to (99.48 ± 0.07)% has been demonstrated. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of JETP Letters is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – SubjectFull: Hyperfine structure
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              Text: Apr2026
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