Dynamic range improvement for a microwave photonic link using a phase modulator

Jin Zhang; Anle Wang; Lan Yu; Pengfei Du; Wenshan Cong; Junkai Zhang; Jianghai Wo

doi:10.1117/12.2518324

14 February 2019 Dynamic range improvement for a microwave photonic link using a phase modulator

Jin Zhang, Anle Wang, Lan Yu, Pengfei Du, Wenshan Cong, Junkai Zhang, Jianghai Wo

Proceedings Volume 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018); 110480D (2019) https://doi.org/10.1117/12.2518324
Event: 17th International Conference on Optical Communications and Networks (ICOCN2018), 2018, Zhuhai, China

Abstract

A novel phase modulator-based microwave photonics link (MPL) with improved spurious-free dynamic range (SFDR) is proposed, in which a parallel optical sideband processing path is used to generate the opposite third-order intermodulation distortion (IMD3) for destructive combination. By controlling the magnitude of the generated IMD3 term via attenuator in one path, the suppression of IMD3 term was achieved. A theoretical analysis is presented and the simulation experiment results indicate that the SFDR is up to 128.582 dB•HZ^2/3, which has an improvement of 23.66 dB compared with the nonlinearized link.

Citation Download Citation

Jin Zhang, Anle Wang, Lan Yu, Pengfei Du, Wenshan Cong, Junkai Zhang, and Jianghai Wo "Dynamic range improvement for a microwave photonic link using a phase modulator", Proc. SPIE 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018), 110480D (14 February 2019); https://doi.org/10.1117/12.2518324

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