Abstract
We have experimentally demonstrated suppression of low-frequency fluctuations of backscattered Rayleigh radiation from optical fiber with chaotic single-longitudinal mode DFB and multi-longitudinal mode FP lasers subjected by incoherent optical feedback. Significant decreasing of Rayleigh power variations up to 15–20 dB for 10–1000 Hz frequency interval was recorded for both chaotic lasers. It was shown that chaotic DFB laser also efficiently suppresses stimulated Brillouin scattering in the test fiber.
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