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Tb/s Fast Random Bit Generation Based on a Broadband Random Optoelectronic Oscillator
IEEE Photonics Technology Letters  (IF2.468),  Pub Date : 2021-09-24, DOI: 10.1109/lpt.2021.3113775
Zengting Ge, Ye Xiao, Tengfei Hao, Wei Li, Ming Li

We experimentally demonstrate Tb/s fast random bit generation from random signals generated in a broadband random optoelectronic oscillator. The broadband random optoelectronic oscillator is used as photoelectron entropy source to generate wideband random signal. We sample the random waveform with a resolution of 10 bits and a sampling rate of 128 GS/s. All 10 bits can be preserved and a generation rate of 2.5 Tb/s (128 GS/s $\times $ 10 bits $\times $ 2 data) is achieved by using time-shift bit-order-reverse bitwise exclusive-or operation as a more complicated post-processing method. The randomness of random bit sequences is verified by using NIST Special Publication 800–22 statistical tests.