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A fully characterization of an active optical filter based on an equivalent-phase-shifted DFB-SOA in transmission is experimentally demonstrated. The influences of driven current on transmission characteristics of the DFB-SOA are analyzed.
A tunable single-bandpass microwave photonic filter (MPF) with a narrow and flat-top shape operating in high frequency range is proposed and experimentally demonstrated, using a specially designed multi-phase-shift fiber Bragg grating (FBG) cascaded with a programmable optical filter (POF). The key device in the proposed MPF is the multi-phase-shift FBG, providing a flat-top passband with a narrow...
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