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Title: | Optimal estimation with quantum optomechanical systems in the nonlinear regime |
Authors: | Schneiter, Fabienne Qvarfort, Sofia Serafini, Alessio Xuereb, Andre Braun, Daniel Ratzel, Dennis Edward Bruschi, David |
Keywords: | Optomechanics Quantum entanglement Quantum optics Nonlinear optics Quantum electronics |
Issue Date: | 2020-05 |
Publisher: | American Physical Society |
Citation: | Schneiter, F., Qvarfort, S., Serafini, A., Xuereb, A., Braun, D., Rätzel, D., & Bruschi, D. E. (2020). Optimal estimation with quantum optomechanical systems in the nonlinear regime. Physical Review A, 101(3), 033834. |
Abstract: | We study the fundamental bounds on precision measurements of parameters contained in a timedependent nonlinear optomechanical Hamiltonian, which includes the nonlinear light–matter coupling, a mechanical displacement term, and a single-mode mechanical squeezing term. By using a recently developed method to solve the dynamics of this system, we derive a general expression for the quantum Fisher information and demonstrate its applicability through three concrete examples: estimation of the strength of a nonlinear light–matter coupling, the strength of a time-modulated mechanical displacement, and a single-mode mechanical squeezing parameter, all of which are modulated at resonance. Our results can be used to compute the sensitivity of a nonlinear optomechanical system to a number of external and internal effects, such as forces acting on the system or modulations of the light–matter coupling. |
URI: | https://www.um.edu.mt/library/oar/handle/123456789/95791 |
Appears in Collections: | Scholarly Works - FacSciPhy |
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Optimal estimation with quantum optomechanical systems in the nonlinear regime.pdf Restricted Access | 787.69 kB | Adobe PDF | View/Open Request a copy |
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