Please use this identifier to cite or link to this item: 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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