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DC Field | Value | Language |
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dc.date.accessioned | 2022-05-13T07:41:54Z | - |
dc.date.available | 2022-05-13T07:41:54Z | - |
dc.date.issued | 2022 | - |
dc.identifier.citation | Sanavio, C. M., Bernád, J. Z., & Xuereb, A. (2022). Estimation of disorders in the rest positions of two membranes in optomechanical systems. Physical Review A, 105(3), 032423, 1-15. | en_GB |
dc.identifier.uri | https://www.um.edu.mt/library/oar/handle/123456789/95641 | - |
dc.description.abstract | The formalism of quantum estimation theory is applied to estimate the disorders in the positions of two membranes positioned in a driven cavity. We consider the coupled-cavities and the transmissive-regime models to obtain effective descriptions of this system for different reflectivity values of the membranes. Our models consist also high temperatures Brownian motions of the membranes, losses of the cavity fields, the input-output formalism and a balanced homodyne photodetection of the cavity output field. In this two-parameter estimation scenario we compare the classical and quantum Fisher information matrices and evaluate the accuracies of the estimations. We show that models prefer very different estimation strategies and the temperature does not have a detrimental effect on the estimation accuracies, but makes more difficult to attain the quantum optimal limit. Our analysis also reveals that best estimation strategies with unit effiecient detectors are measurements of the quadratures of the output field. | en_GB |
dc.language.iso | en | en_GB |
dc.publisher | arXiv | en_GB |
dc.rights | info:eu-repo/semantics/openAccess | en_GB |
dc.subject | Quantum theory | en_GB |
dc.subject | Estimation theory | en_GB |
dc.title | Estimation of disorders in the rest positions of two membranes in optomechanical systems | en_GB |
dc.type | article | en_GB |
dc.rights.holder | The copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holder. | en_GB |
dc.description.reviewed | non peer-reviewed | en_GB |
dc.identifier.doi | 10.1103/PhysRevA.105.032423 | - |
dc.contributor.creator | Sanavio, Claudio M. | - |
dc.contributor.creator | Bernad, Jozsef Zsolt | - |
dc.contributor.creator | Xuereb, Andre | - |
Appears in Collections: | Scholarly Works - FacSciPhy |
Files in This Item:
File | Description | Size | Format | |
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Estimation_of_disorders_in_the_rest_positions_of_two_membranes_in_optomechanical_systems(2022).pdf | 1.67 MB | Adobe PDF | View/Open |
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