Joint optimal measurement for locating two incoherent optical point sources near the Rayleigh distance
Abstract Simultaneously optimizing the estimation of the centroid and separation of two incoherent optical point sources is constrained by a tradeoff relation determined by an incompatibility coefficient. At the Rayleigh distance, the incompatibility coefficient vanishes and thus the tradeoff relati...
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Published in | Communications in theoretical physics Vol. 75; no. 4; pp. 45102 - 45107 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
IOP Publishing
01.04.2023
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Abstract | Abstract
Simultaneously optimizing the estimation of the centroid and separation of two incoherent optical point sources is constrained by a tradeoff relation determined by an incompatibility coefficient. At the Rayleigh distance, the incompatibility coefficient vanishes and thus the tradeoff relation no longer restricts the simultaneous optimization of measurement for a joint estimation. We construct such a joint optimal measurement by an elaborated analysis on the operator algebra of the symmetric logarithmic derivative. Our work not only confirms the existence of a joint optimal measurement for this specific imaging model, but also gives a promising method to characterize the condition on measurement compatibility for general multiparameter estimation problems. |
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AbstractList | Abstract
Simultaneously optimizing the estimation of the centroid and separation of two incoherent optical point sources is constrained by a tradeoff relation determined by an incompatibility coefficient. At the Rayleigh distance, the incompatibility coefficient vanishes and thus the tradeoff relation no longer restricts the simultaneous optimization of measurement for a joint estimation. We construct such a joint optimal measurement by an elaborated analysis on the operator algebra of the symmetric logarithmic derivative. Our work not only confirms the existence of a joint optimal measurement for this specific imaging model, but also gives a promising method to characterize the condition on measurement compatibility for general multiparameter estimation problems. |
Author | Lu, Xiao-Ming Shi, Yingying |
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CitedBy_id | crossref_primary_10_1103_PhysRevA_109_032434 |
Cites_doi | 10.1088/0305-4470/39/40/014 10.1103/PhysRevLett.128.250502 10.1103/PhysRevA.105.062416 10.1073/pnas.0508047103 10.3390/e21070703 10.1103/PhysRevA.100.032104 10.1103/PhysRevResearch.4.043057 10.1080/00107514.2020.1736375 10.1016/0375-9601(67)90366-0 10.1142/S0219749909004839 10.1109/TIT.1968.1054108 10.1364/JOSAA.14.000547 10.1103/PhysRevLett.126.120503 10.1103/PhysRevLett.72.3439 10.1007/BF01007479 10.1103/PhysRevA.94.052108 10.1103/PhysRevA.105.062442 10.1088/1742-5468/ab3ccb 10.1103/PhysRevX.6.031033 10.1006/aphy.1996.0040 10.1364/JOSAA.33.000B36 10.1088/1751-8121/ab5d4d 10.1080/14786447908639684 |
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Copyright | 2023 Institute of Theoretical Physics CAS, Chinese Physical Society and IOP Publishing |
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Simultaneously optimizing the estimation of the centroid and separation of two incoherent optical point sources is constrained by a tradeoff relation... |
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SubjectTerms | quantum imaging quantum measurement quantum metrology quantum parameter estimation |
Title | Joint optimal measurement for locating two incoherent optical point sources near the Rayleigh distance |
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