We investigate bandwidth enhancement of chaotic laser output in three cascaded semiconductor lasers for fast physical random number generation. A flat and wide spectrum can be obtained over 40 GHz.
© 2013 OSA
R. Sakuraba, K. Kanno, K. Iwakawa, and A. Uchida, "Bandwidth enhancement of chaos in three cascaded semiconductor lasers," in Frontiers in Optics 2013, I. Kang, D. Reitze, N. Alic, and D. Hagan, eds., OSA Technical Digest (online) (Optical Society of America, 2013), paper FM3C.4.
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