The effect of amplitude and delay errors on the S21 of a multi-channel broadband microwave photonic link

Yuan Huang; Shanting Fang; Nan Zhao; Xinmin Zhang

doi:10.1117/12.3006819

21 December 2023 The effect of amplitude and delay errors on the S21 of a multi-channel broadband microwave photonic link

Yuan Huang, Shanting Fang, Nan Zhao, Xinmin Zhang

Author Affiliations +

Proceedings Volume 12966, AOPC 2023: AI in Optics and Photonics ; 129661D (2023) https://doi.org/10.1117/12.3006819
Event: Applied Optics and Photonics China 2023 (AOPC2023), 2023, Beijing, China

Abstract

In order to avoid an unacceptable in-band S21 flatness in the multi-channel broadband microwave photonic system design, this paper established a relationship between the S21 flatness of a muti-channel broadband link and amplitude and delay errors. According to the deduction, the effect of amplitude error on S21 flatness is much less than that of delay error. And the maximum in-band S21 difference is expressed into a function of the muti-channel delay inconsistency. According to the derivation, for ensuring the in-band S21 flatness of a multi-channel microwave photonic system is less than 3dB, the delay error must be less than 13.89ps. Experimental results and simulation results demonstrate the reliability of the derivation relationship between the in-band S21 flatness and amplitude and delay errors.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yuan Huang, Shanting Fang, Nan Zhao, and Xinmin Zhang "The effect of amplitude and delay errors on the S21 of a multi-channel broadband microwave photonic link", Proc. SPIE 12966, AOPC 2023: AI in Optics and Photonics , 129661D (21 December 2023); https://doi.org/10.1117/12.3006819

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