Broadband microwave photonic mixer based on a single dual-drive Mach-Zehnder modulator with high image rejection ratio

Pengfei Su; Weiqiang Lyu; Lingjie Zhang; Zhiyao Zhang; Yong Liu

doi:10.1117/12.3007469

21 December 2023 Broadband microwave photonic mixer based on a single dual-drive Mach-Zehnder modulator with high image rejection ratio

Pengfei Su, Weiqiang Lyu, Lingjie Zhang, Zhiyao Zhang, Yong Liu

Author Affiliations +

Proceedings Volume 12966, AOPC 2023: AI in Optics and Photonics ; 129661N (2023) https://doi.org/10.1117/12.3007469
Event: Applied Optics and Photonics China 2023 (AOPC2023), 2023, Beijing, China

Abstract

A microwave photonic image rejection mixer (IRM) with large operation bandwidth and high image rejection ratio (IRR) is proposed and demonstrated based on a single dual-drive Mach-Zehnder modulator (DDMZM) and a wavelength division multiplexer (WDM). In the proposed scheme, the two radio-frequency (RF) ports of the DDMZM is driven by a RF signal and a local oscillator (LO) signal, respectively. Two intermediate-frequency (IF) signals are generated by beating the upper sideband and the lower sideband of the DDMZM, respectively. Then, the two IF signals are injected into an electrical 90° hybrid coupler (HC) to realize image rejection. In the experiment, a stable IRR above 60 dB in the RF signal frequency range of 10 GHz to 40 GHz and with a 1- GHz fixed IF signal frequency is achieved. When the IF signal frequency is changed from 1 GHz to 6 GHz and the LO signal is with a fixed frequency of 29 GHz, the IRR can also large than 60 dB.

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

Citation Download Citation

Pengfei Su, Weiqiang Lyu, Lingjie Zhang, Zhiyao Zhang, and Yong Liu "Broadband microwave photonic mixer based on a single dual-drive Mach-Zehnder modulator with high image rejection ratio", Proc. SPIE 12966, AOPC 2023: AI in Optics and Photonics , 129661N (21 December 2023); https://doi.org/10.1117/12.3007469

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