Fig. 2: The experimental setup of the chaotic-QFC LiDAR system. | Nature Communications

Fig. 2: The experimental setup of the chaotic-QFC LiDAR system.

From: Compact all-fiber quantum-inspired LiDAR with over 100 dB noise rejection and single photon sensitivity

Fig. 2

DC dichroic combiner, WDM wavelength demultiplexer, Mod phase modulation for frequency shifting (serrodyne), PF programmable amplitude-phase filter, HDD balanced homodyne detection, ESA electric spectrum analyzer, SPF/LPF short/long pass filter, ASE amplified spontaneous emission, PPLN1, 2 periodically poled lithium niobate waveguide for DFG and SFG, Target: quadcopter drone on a separate table, CEDFA,LEDFA:C and L band erbium doped fiber amplifiers.

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