Abstract
We report a microwave photonic link to transmit dual-chirp microwave signals over fiber based on stimulated Brillouin scattering (SBS) using a dual-polarization Mach–Zehnder modulator (DPol-MZM). The DPol-MZM is driven by a radio frequency (RF) carrier and a baseband single-chirp waveform to realize carrier-suppressed single-sideband (CS-SSB) modulation based on SBS. The dual-chirp waveforms centered at 12.4 GHz and 15.5 GHz with bandwidths of 0.4 GHz have been successfully generated. In our link, the CS-SSB modulation based on SBS is performed to overcome fiber chromatic-dispersion-induced power fading (CDIP). The proposed scheme is theoretically analyzed and experimentally verified.
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