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Simple method to measure laser linewidth using intensity noise spectrum based on Rayleigh Backscattering effect

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Academic year: 2021

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Fig. 1  Sketch of the experimental setup.  Fig. 2  The experimental results for 2 types of laser: The RIN spectrum at the RB  emulator output (a-1, a-2), the linewidths inferred from the RIN spectrum (b-1, b-2)

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