Dual Brillouin lasers in a shared fiber cavity produce an X-band stepped-frequency waveform with over 23 dB phase-noise improvement at 100 kHz offset compared to a low-cost VCO.
B.et al.A Compact, Low Power Consump- tion, and Highly Sensitive 95 GHz Doppler Radar.IEEE Sensors Journal20, 5865–5875 (2020)
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Brillouin-Enhanced Photonic Stepped-Frequency Radar
Dual Brillouin lasers in a shared fiber cavity produce an X-band stepped-frequency waveform with over 23 dB phase-noise improvement at 100 kHz offset compared to a low-cost VCO.