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Published on: September 5, 2019
Reconfigurable single-shot incoherent optical signal processing system for chirped microwave signal compression
Ming Li1, Shuqian Sun2, Antonio Malacarne3
1Institut National de la Recherche Scientifique-Énergie, Matériaux et Télécommunications (INRS-EMT), Varennes, Québec J3X 1S2, Canada; State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China; University of Chinese Academy of Sciences, Beijing 100049, China.
Abstract:
We propose and demonstrate a reconfigurable and single-shot incoherent optical signal processing system for chirped microwave signal compression, using a programmable optical filter and a multi-wavelength laser (MWL). The system is implemented by temporally modulating a specially shaped MWL followed by a suitable linear dispersive medium. A microwave dispersion value up to 1.33ns/GHz over several GHz bandwidth is achieved based on this approach. Here we demonstrate a single-shot compression for different linearly chirped microwave signals over several GHz bandwidth. In addition, the robustness of the proposed system when input RF signals are largely distorted is also discussed.
