Using an optimized 100 mm long fiber Bragg grating, a narrow-linewidth, tunable high power random Raman fiber laser is demonstrated. At high enough powers, modulation instability is observed, leading to the generation of random solitons, with an average duration of 160 fs. By sampling the signal at 256 GSa/s and extracting the 5 least significant bits, random numbers can be generated in real-time at 1.28 Tbps with minimal post-processing.

© 2020 The Author(s)

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