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A microwave photonic synthetic aperture radar is proposed. Photonic-assisted microwave frequency doubling is used to generate a linearly-frequency-modulated radar signal in the transmitter end. In the receiver end, photonic de-chirping is employed to process the reflection signal. The proposed coherent microwave photonic radar is experimentally demonstrated and evaluated in a microwave anechoic chamber...
A dual-loop optoelectronic oscillator (OEO) based on stimulated Brillouin scattering (SBS) is experimentally demonstrated. Two lasers are utilized to realize the tunability of the OEO. One acts as the signal laser, the other is employed as the pump laser. By directly tuning the wavelength of the pump laser, a widely tunable range from dc to 60 GHz for the RF signal generation can be obtained. To the...
We demonstrate a record widely tunable dual-loop optoelectronic oscillator with tunable band from 3.39 to 57.50 GHz. The single-side band phase noise is below −120 dBc/Hz at 10 kHz offset for all the measurement frequency points.
An optoelectronic oscillator (OEO) tuned from 4.74 GHz to 38.38 GHz is proposed and experimentally demonstrated. To our knowledge, this is the widest fundamental frequency tunable range achieved by an OEO.
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