| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2021: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2020: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Outline of Final Research Achievements |
A hardware random number generator for stochastic logic using superconducting single flux quantum circuits was proposed and demonstrated experimentally on an integrated circuit. A new true random number generator based on a signal generator using Josephson oscillation was proposed. The proposed random number generator was designed, fabricated and measured using Nb/AlOx/Nb Josephson junction integrated technology. The generator was demonstrated experimentally, and it was further confirmed that random numbers generated by this circuit have good qualities. Furthermore, improved design of the random number generator with less variation in random number quality with respect to changes in circuit bias voltage was also proposed and investigated.
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