SFDR improvement of a phase-modulated analog photonic link

Jin Zhang; Jianghai Wo; Anle Wang; Xiong Luo; Shirui Du; Dangwei Wang; Yalan Wang

doi:10.1117/12.2587355

12 March 2021 SFDR improvement of a phase-modulated analog photonic link

Jin Zhang, Jianghai Wo, Anle Wang, Xiong Luo, Shirui Du, Dangwei Wang, Yalan Wang

Proceedings Volume 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications; 117636G (2021) https://doi.org/10.1117/12.2587355
Event: Seventh Symposium on Novel Photoelectronic Detection Technology and Application 2020, 2020, Kunming, China

Abstract

A simple single sideband (SSB) analog optical link with enhancement spurious free dynamic range (SFDR) is proposed. By coupling the independent optical carrier and +1st, +2nd order phase-modulated optical sidebands to be demodulation, the suppression of IMD3 is achieved. An theoretical model is established and the simulation results show that the carrier-to-interference ratio (CIR) presents a 32dB improvement and the corresponding improved SFDR is 123.5 dB·HZ^2/3 , which is 18.6 dB larger than that of conventional single sideband phase-modulated link. In particular, the proposed SSB link can avoid the periodic power attenuation caused by dispersion, presenting great potential usage in modern radar system.

Citation Download Citation

Jin Zhang, Jianghai Wo, Anle Wang, Xiong Luo, Shirui Du, Dangwei Wang, and Yalan Wang "SFDR improvement of a phase-modulated analog photonic link", Proc. SPIE 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications, 117636G (12 March 2021); https://doi.org/10.1117/12.2587355

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