Fast physical-random number generation using laser diode's frequency noise: influence of frequency discriminator

Kouhei Matsumoto; Yuki Kasuya; Mitsuki Yumoto; Hideaki Arai; Takashi Sato; Shuichi Sakamoto; Masashi Ohkawa; Yasuo Ohdaira

doi:10.1117/12.2288160

23 February 2018 Fast physical-random number generation using laser diode's frequency noise: influence of frequency discriminator

Kouhei Matsumoto, Yuki Kasuya, Mitsuki Yumoto, Hideaki Arai, Takashi Sato, Shuichi Sakamoto, Masashi Ohkawa, Yasuo Ohdaira

Author Affiliations +

Proceedings Volume 10526, Physics and Simulation of Optoelectronic Devices XXVI; 105261W (2018) https://doi.org/10.1117/12.2288160
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

Not so long ago, pseudo random numbers generated by numerical formulae were considered to be adequate for encrypting important data-files, because of the time needed to decode them. With today’s ultra high-speed processors, however, this is no longer true. So, in order to thwart ever-more advanced attempts to breach our system’s protections, cryptologists have devised a method that is considered to be virtually impossible to decode, and uses what is a limitless number of physical random numbers. This research describes a method, whereby laser diode’s frequency noise generate a large quantities of physical random numbers. Using two types of photo detectors (APD and PIN-PD), we tested the abilities of two types of lasers (FP-LD and VCSEL) to generate random numbers. In all instances, an etalon served as frequency discriminator, the examination pass rates were determined using NIST FIPS140-2 test at each bit, and the Random Number Generation (RNG) speed was noted.

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Kouhei Matsumoto, Yuki Kasuya, Mitsuki Yumoto, Hideaki Arai, Takashi Sato, Shuichi Sakamoto, Masashi Ohkawa, and Yasuo Ohdaira "Fast physical-random number generation using laser diode's frequency noise: influence of frequency discriminator", Proc. SPIE 10526, Physics and Simulation of Optoelectronic Devices XXVI, 105261W (23 February 2018); https://doi.org/10.1117/12.2288160

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KEYWORDS

Vertical cavity surface emitting lasers

Semiconductor lasers

Fabry–Perot interferometers

Binary data

Oscilloscopes

Interference (communication)

Analog electronics

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