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Wideband and ambiguous-free RF channelizer assisted jointly by spacing and profile of optical frequency comb
IEEE Photonics Journal
For civil and military applications, the ability to instantaneously capture and process wideband RF (radio-frequency) signal is of great importance. In this paper, a novel photonics-assisted RF channelized receiver aiming for instantaneous broadband RF signal reception is proposed and experimentally demonstrated. The channelizer is composed of two branches. In one branch, an optical frequency comb (OFC) is generated through a phase modulator (PM), while in the other the optical carrier isdoi:10.1109/jphot.2020.2986344 fatcat:tozzmymchbe7nibihn3krht5ue