Experimental demonstration of quantum overlapping tomography
Quantum tomography is one of the major challenges of large-scale quantum information research due to the exponential time complexity. In this Letter, we develop and apply a Bayesian state estimation method to experimentally demonstrate quantum overlapping tomography [Phys. Rev. Lett. 124, 100401 (20...
| Main Authors: | , , , , |
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| Format: | Journal Article |
| Language: | English |
| Published: |
2023
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| Online Access: | https://hdl.handle.net/10356/169407 |
| _version_ | 1826110545017700352 |
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| author | Yang, Zhengning Ru, Shihao Cao, Lianzhen Zheludev, Nikolay Gao, Weibo |
| author2 | School of Physical and Mathematical Sciences |
| author_facet | School of Physical and Mathematical Sciences Yang, Zhengning Ru, Shihao Cao, Lianzhen Zheludev, Nikolay Gao, Weibo |
| author_sort | Yang, Zhengning |
| collection | NTU |
| description | Quantum tomography is one of the major challenges of large-scale quantum information research due to the exponential time complexity. In this Letter, we develop and apply a Bayesian state estimation method to experimentally demonstrate quantum overlapping tomography [Phys. Rev. Lett. 124, 100401 (2020)PRLTAO0031-900710.1103/PhysRevLett.124.100401], a scheme intent on characterizing critical information of a many-body quantum system in logarithmic time complexity. By comparing the measurement results of full-state tomography and overlapping tomography, we show that overlapping tomography gives accurate information of the system with much fewer state measurements than full-state tomography. |
| first_indexed | 2024-10-01T02:36:13Z |
| format | Journal Article |
| id | ntu-10356/169407 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T02:36:13Z |
| publishDate | 2023 |
| record_format | dspace |
| spelling | ntu-10356/1694072023-07-24T15:34:48Z Experimental demonstration of quantum overlapping tomography Yang, Zhengning Ru, Shihao Cao, Lianzhen Zheludev, Nikolay Gao, Weibo School of Physical and Mathematical Sciences Centre for Disruptive Photonic Technologies (CDPT) The Photonics Institute Science::Physics Bayesian State Estimation Quantum Tomography Quantum tomography is one of the major challenges of large-scale quantum information research due to the exponential time complexity. In this Letter, we develop and apply a Bayesian state estimation method to experimentally demonstrate quantum overlapping tomography [Phys. Rev. Lett. 124, 100401 (2020)PRLTAO0031-900710.1103/PhysRevLett.124.100401], a scheme intent on characterizing critical information of a many-body quantum system in logarithmic time complexity. By comparing the measurement results of full-state tomography and overlapping tomography, we show that overlapping tomography gives accurate information of the system with much fewer state measurements than full-state tomography. Ministry of Education (MOE) National Research Foundation (NRF) Published version This research is supported by the National Research Foundation, Singapore and A*STAR under its Quantum Engineering Programme [No. NRF2021-QEP2-01-P02, No. NRF2021-QEP2-03-P01, No. 2019-0643 (QEP-P2), and No. 2019-1321 (QEP-P3)], the Singapore Ministry of Education [Grant No. MOE2016-T3-1-006 (S)]. 2023-07-18T01:36:21Z 2023-07-18T01:36:21Z 2023 Journal Article Yang, Z., Ru, S., Cao, L., Zheludev, N. & Gao, W. (2023). Experimental demonstration of quantum overlapping tomography. Physical Review Letters, 130(5), 050804-1-050804-6. https://dx.doi.org/10.1103/PhysRevLett.130.050804 0031-9007 https://hdl.handle.net/10356/169407 10.1103/PhysRevLett.130.050804 36800476 2-s2.0-85147687634 5 130 050804-1 050804-6 en NRF2021-QEP2-01-P02 NRF2021-QEP2-03-P01 2019-0643 (QEP-P2) 2019-1321 (QEP-P3) MOE2016-T3-1-006 (S) Physical Review Letters © 2023 American Physical Society. All rights reserved. This paper was published in Physical Review Letters and is made available with permission of American Physical Society. application/pdf |
| spellingShingle | Science::Physics Bayesian State Estimation Quantum Tomography Yang, Zhengning Ru, Shihao Cao, Lianzhen Zheludev, Nikolay Gao, Weibo Experimental demonstration of quantum overlapping tomography |
| title | Experimental demonstration of quantum overlapping tomography |
| title_full | Experimental demonstration of quantum overlapping tomography |
| title_fullStr | Experimental demonstration of quantum overlapping tomography |
| title_full_unstemmed | Experimental demonstration of quantum overlapping tomography |
| title_short | Experimental demonstration of quantum overlapping tomography |
| title_sort | experimental demonstration of quantum overlapping tomography |
| topic | Science::Physics Bayesian State Estimation Quantum Tomography |
| url | https://hdl.handle.net/10356/169407 |
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