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https://hdl.handle.net/10356/85208
Title: | Simultaneously precise estimations of phase and amplitude variations based on weak-value amplification | Authors: | Luo, Lan Xie, Linguo Qiu, Jiangdong Zhou, Xinxing Liu, Xiong Li, Zhaoxue He, Yu Zhang, Zhiyou Sun, Handong |
Keywords: | Physical Properties Amplitude Measurement DRNTU::Science::Physics |
Issue Date: | 2019 | Source: | Luo, L., Xie, L., Qiu, J., Zhou, X., Liu, X., Li, Z., . . . Sun, H. (2019). Simultaneously precise estimations of phase and amplitude variations based on weak-value amplification. Applied Physics Letters, 114(11), 111104-. doi:10.1063/1.5083995 | Series/Report no.: | Applied Physics Letters | Abstract: | In this paper, we theoretically and experimentally present a precision method to simultaneously estimate the phase and amplitude variations of light based on the weak-value amplification. We demonstrate that the imaginary and real components of the weak-value correspond to the amplification of the phase and amplitude variations, respectively. If both the phase and the amplitude are varied, the phase measurement using the imaginary weak-value is not influenced by the amplitude shift and the amplitude measurement using the real weak value is not influenced by the phase shift. Thus, the tiny changes of the phase and amplitude of light can be obtained simultaneously with different post-selections, and the measurement precision reaches 106 rad. These findings may be favorable for highly sensitive optical polarization- dependent effects, including optical activity and magneto-optic effects. | URI: | https://hdl.handle.net/10356/85208 http://hdl.handle.net/10220/48190 |
ISSN: | 0003-6951 | DOI: | 10.1063/1.5083995 | Schools: | School of Physical and Mathematical Sciences | Rights: | © 2019 Author(s). Published by AIP | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SPMS Journal Articles |
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Simultaneously precise estimations of phase and amplitude variation based on weak-value amplification.pdf | 1.34 MB | Adobe PDF | View/Open |
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