23 February 2018 Physical-random number generator using an oscillation frequency stabilized laser diode
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An inordinate amount of time, effort (and paper) has been spent trying to find a way to stabilize laser-diode frequencies, but our research team has been working on the premise, that frequency instability can, in fact, have its up-sides. In the present work, we focus on a method that uses laser diodes’ own noise to generate physical random numbers. Introducing a frequency discriminator as a reference, we control and stabilize the difference between the frequency reference and the laser frequency, thereby generating random numbers at a suitable point.
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Kyohei Hirai, Kyohei Hirai, Toshihiro Taoka, Toshihiro Taoka, Takashi Sato, Takashi Sato, Kohei Doi, Kohei Doi, Yasuo Ohdaira, Yasuo Ohdaira, Shuichi Sakamoto, Shuichi Sakamoto, Masashi Ohkawa, Masashi Ohkawa, } "Physical-random number generator using an oscillation frequency stabilized laser diode", Proc. SPIE 10526, Physics and Simulation of Optoelectronic Devices XXVI, 105260E (23 February 2018); doi: 10.1117/12.2288035; https://doi.org/10.1117/12.2288035

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