Photonic-enabled high frequency broadband RF canceller based on optical spectrum processing

Yunlu Xing; Shangyuan Li; Xiaoxiao Xue; Xiaoping Zheng

doi:10.1117/12.2606346

1 November 2021 Photonic-enabled high frequency broadband RF canceller based on optical spectrum processing

Yunlu Xing, Shangyuan Li, Xiaoxiao Xue, Xiaoping Zheng

Proceedings Volume 12057, Twelfth International Conference on Information Optics and Photonics; 1205739 (2021) https://doi.org/10.1117/12.2606346
Event: Twelfth International Conference on Information Optics and Photonics, 2021, Xi'an, China

Abstract

A novel photonic-enabled high frequency broadband RF canceller for in-band full-duplex wireless communication system or frequency modulated continuous-wave (FMCW) radars is proposed. The phase and amplitude between reference and interference signal is matched by optical spectrum processing, and the delay time is aligned by using the dispersive element and finely tuning the wavelength of the tunable lasers. The experiment is performed. RF selfinterference cancellation with the bandwidth up to 6GHz is experimentally demonstrated with the cancellation depth of more than 26.9dB in K band.

Citation Download Citation

Yunlu Xing, Shangyuan Li, Xiaoxiao Xue, and Xiaoping Zheng "Photonic-enabled high frequency broadband RF canceller based on optical spectrum processing", Proc. SPIE 12057, Twelfth International Conference on Information Optics and Photonics, 1205739 (1 November 2021); https://doi.org/10.1117/12.2606346

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