Physical-random number generator using an oscillation frequency stabilized laser diode

Kyohei Hirai; Toshihiro Taoka; Takashi Sato; Kohei Doi; Yasuo Ohdaira; Shuichi Sakamoto; Masashi Ohkawa

doi:10.1117/12.2288035

23 February 2018 Physical-random number generator using an oscillation frequency stabilized laser diode

Kyohei Hirai, Toshihiro Taoka, Takashi Sato, Kohei Doi, Yasuo Ohdaira, Shuichi Sakamoto, Masashi Ohkawa

Proceedings Volume 10526, Physics and Simulation of Optoelectronic Devices XXVI; 105260E (2018) https://doi.org/10.1117/12.2288035
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

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.

Citation Download Citation

Kyohei Hirai, Toshihiro Taoka, Takashi Sato, Kohei Doi, Yasuo Ohdaira, Shuichi Sakamoto, and 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); https://doi.org/10.1117/12.2288035

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