Beat Frequency Characterization and Stabilization for Short-Cavity DBR Fiber Grating Laser Based Sensor


In this paper, we propose our observation, analysis, and alleviation method of the beat frequency fluctuation in short-cavity dual-polarization distributed Bragg reflector (DBR) fiber grating laser sensor in time and frequency domain. According to our observation, beat frequency fluctuation varies from 8 to 800 kHz under different pump power. Research shows… (More)


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