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10 January 2020 Generation of wide continuous tunable octupling frequency microwave signal based on modulator cascade without phase shifter and optical filter
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Abstract

Photonic generation of frequency octupling microwave signal is proposed and demonstrated, which is based on a cascading polarization modulator and a dual-parallel Mach–Zehnder modulator. The method avoids using phase shifter and optical filter, which is suitable for generating a frequency octupling microwave signal with a wideband tuning range and fast tuning speed. In the experiment, a photonic generation frequency octupling microwave signal with 20 GHz is generated. The optical sideband suppression ratio, electrical sideband suppression ratio (ESSR), and phase noise of the photonic generation octupling microwave signal are measured. In addition, the tunability of the proposed scheme is investigated.

© 2020 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2020/$28.00 © 2020 SPIE
Yuandong Li, Yichao Teng, Peng Xiang, Huatao Zhu, Jiling Zheng, Tao Pu, Xin Zhang, Jin Li, Xianshuai Meng, and Feng Zhou "Generation of wide continuous tunable octupling frequency microwave signal based on modulator cascade without phase shifter and optical filter," Optical Engineering 59(1), 016105 (10 January 2020). https://doi.org/10.1117/1.OE.59.1.016105
Received: 16 July 2019; Accepted: 16 December 2019; Published: 10 January 2020
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