We consider the problem of analyzing spin-flip qubit gate operation in the presence of Random Telegraph Noise (RTN). Our compressive approach is the following. By using the Feynman disentangling operators method, we calculate the spin-flip probability of qubit driven by different kinds of composite pulses, e.g., Constant pulse (C-pulse), Quantum Well pulse (QW-pulse), and Barrier Potential pulse (BP-pulse) in the presence of RTN. When composite pulses and RTN act in the x-direction and z-direction respectively, we calculate the optimal time to achieve perfect spin-flip probability of qubit. We report that the highest fidelity of spin-flip qubit can be achieved by using C-pulse, followed by BP-pulse and QW-pulse. For a more general case, we have tested several pulse sequences for achieving high fidelity quantum gates, where we use the pulses acting in different directions. From the calculations, we find that high fidelity of qubit gate operation in the presence of RTN is achieved when QW-pulse, BP-pulse, and C-pulse act in the x-direction, y-direction, and z-direction, respectively. We extend our investigations for multiple QW and BP pulses while choosing the C-pulse amplitude constant in the presence of RTN. The results of calculation show that fidelity can be achieved throughout the course of RTN that may be beneficial for quantum error correction.
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21 June 2023
Research Article|
June 15 2023
Influence of random telegraph noise on quantum bit gate operation
Jackson Likens;
Jackson Likens
(Conceptualization)
1
Department of Natural Science, D L Hubbard Center for Innovation, Loess Hill Research Center, Northwest Missouri State University
, 800 University Drive, Maryville, Missouri 64468, USA
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Sanjay Prabhakar
;
Sanjay Prabhakar
a)
(Conceptualization, Data curation)
1
Department of Natural Science, D L Hubbard Center for Innovation, Loess Hill Research Center, Northwest Missouri State University
, 800 University Drive, Maryville, Missouri 64468, USA
a)Author to whom correspondence should be addressed: [email protected]
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Ratan Lal;
Ratan Lal
(Conceptualization)
2
Department of Computer Science, Northwest Missouri State University
, 800 University Drive, Maryville, Missouri 64468, USA
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Roderick Melnik
Roderick Melnik
(Conceptualization)
3
MS2Discovery Interdisciplinary Research Institute, M3AI Lab, Wilfrid Laurier University
, 75 University Avenue, Waterloo, Ontario N3L 3V6, Canada
4
BCAM, Bizkaia Technology Park
, 48160 Derio, Spain
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a)Author to whom correspondence should be addressed: [email protected]
J. Appl. Phys. 133, 234301 (2023)
Article history
Received:
February 26 2023
Accepted:
May 30 2023
Citation
Jackson Likens, Sanjay Prabhakar, Ratan Lal, Roderick Melnik; Influence of random telegraph noise on quantum bit gate operation. J. Appl. Phys. 21 June 2023; 133 (23): 234301. https://doi.org/10.1063/5.0147810
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