Paper
14 October 2022 Arbitrary waveform generation based on channelized signal synthesis
Author Affiliations +
Proceedings Volume 12343, 2nd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2022); 1234337 (2022) https://doi.org/10.1117/12.2648248
Event: 2nd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2022), 2022, Qingdao, China
Abstract
Photonic generation and processing of high-frequency and large-bandwidth microwave arbitrary waveforms have become an increasingly important area that can find numerous applications, such as in ultrawide-band (UWB) communication systems, radar, and other warfare systems, and the quality directly decides the system performance. Based on the microwave photonic channelization, arbitrary waveforms were generated through dual optical frequency combs (OFCs) with different free spectrum ranges (FSR). Due to the multiple optical channels with tunable amplitude and phase, the fundamental and higher harmonics are generated simultaneously and used to synthesize into the required waveforms. Combining the advantages of low-loss broadband photonics and microwave with fine narrowband control, the proposed channelized synthesis arbitrary waveform overcomes the electronic bottleneck of ultra-wideband analog processing and opens up a whole new solution to microwave signal generation. The simulation experiment system based on Optisystem software is conducted, the results confirm that an arbitrary wave, such as triangular, square, and sawtooth will be generated by adjusting the channel parameters, and the accuracy of the generated waveforms can be improved by introducing the fifth Fourier component. Compared to the waveform synthesized by the third-order harmonic, the root mean square error (RMSE) of the fifth-order harmonic is increased by 17%-20%.
© (2022) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xiaodong Liang, Guansu Xing, Shaobo Li, Yandan Liu, Xiang Ma, Lei Zhang, Wenqi Yu, Dongjie Wang, Yu Liang, and Qinsong Luo "Arbitrary waveform generation based on channelized signal synthesis", Proc. SPIE 12343, 2nd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2022), 1234337 (14 October 2022); https://doi.org/10.1117/12.2648248
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KEYWORDS
Signal generators

Channel projecting optics

Microwave photonics

Microwave radiation

Signal processing

Electronics

Signal detection

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