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Spectral–temporal hybrid modulation for channeled spectropolarimetry
Li, Qiwei1,2,3; Alenin, Andrey S.2; Scott Tyo, J.2
Source PublicationApplied Optics
Contribution Rank1

Channeled spectropolarimeters (CSPs) are capable of estimating spectrally resolved Stokes parameters from a single modulated spectrum. However, channel crosstalk and subsequent spectral resolution loss reduce the reconstruction accuracy and limit the systems’ scope of application. In this paper, we propose a spectral–temporal modulation strategy with the aim of extending channel bandwidth and improving reconstruction accuracy by leveraging the hybrid carriers and allocating channels in the two-dimensional Fourier domain that yield optimal performance. The scheme enables spectral bandwidth and temporal bandwidth to be traded off, and provides flexibility in selecting demodulation strategies based on the features of the input. We present an in-depth comparison of different systems’ performances in various input features under the presence of noise. Simulation results show that the hybrid-modulation strategy offers the best comprehensive performance as compared to the conventional CSP and dual-scan techniques. © 2020 Optical Society of America

Indexed ByEI
PublisherOSA - The Optical Society
EI Accession Number20204309399275
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Document Type期刊论文
Corresponding AuthorLi, Qiwei
Affiliation1.School of Physics and Optoelectronic Engineering, Xidian University, Xi’an; 710071, China;
2.School of Engineering and Information Technology, University of New South Wales, Canberra; ACT; 2610, Australia;
3.Key Laboratory of Spectral Imaging Technology of Chinese Academy of Sciences, Xi’an; 710119, China
Recommended Citation
GB/T 7714
Li, Qiwei,Alenin, Andrey S.,Scott Tyo, J.. Spectral–temporal hybrid modulation for channeled spectropolarimetry[J]. Applied Optics,2020,59(30):9359-9367.
APA Li, Qiwei,Alenin, Andrey S.,&Scott Tyo, J..(2020).Spectral–temporal hybrid modulation for channeled spectropolarimetry.Applied Optics,59(30),9359-9367.
MLA Li, Qiwei,et al."Spectral–temporal hybrid modulation for channeled spectropolarimetry".Applied Optics 59.30(2020):9359-9367.
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