Weak value amplification via second-order correlated technique |
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| Institution: | 1. State Key Laboratory of Advanced Optical Communication Systems and Networks, Shanghai Key Laboratory on Navigation and Location-based Service, and Center of Quantum Information Sensing and Processing, Shanghai Jiao Tong University, Shanghai 200240, China;2. College of Information Science and Technology, Northwest University, Xi'an 710127, China;3. Shanghai Key Laboratory of Aerospace Intelligent Control Technology, Shanghai Institute of Spaceflight Control Technology, Shanghai 200233, China |
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| Abstract: | We propose a new framework combining weak measurement and second-order correlated technique.The theoretical analysis shows that weak value amplification(WVA) experiment can also be implemented by a second-order correlated system.We then build two-dimensional second-order correlated function patterns for achieving higher amplification factor and discuss the signal-to-noise ratio influence.Several advantages can be obtained by our proposal.For instance,detectors with high resolution are not necessary.Moreover,detectors with low saturation intensity are available in WVA setup.Finally,type-one technical noise can be effectively suppressed. |
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| Keywords: | weak measurement two-dimensional second-order correlated function |
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