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A high speed, postprocessing free, quantum random number generator
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10.1063/1.2961000
/content/aip/journal/apl/93/3/10.1063/1.2961000
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/3/10.1063/1.2961000
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the QRNG setup. A DFB cw laser attenuated approximately to the single photon level impinges upon an InGaAs APD. The APD is biased at a dc level of and a superimposed a square wave modulation of amplitude and frequency fo which drives the device above breakdown. The resulting signal is sent through a self-differencing circuit, to remove the capacitive response, before being amplified and then finally sent to time tagging single photon counting electronics.

Image of FIG. 2.
FIG. 2.

A histogram of the photon detections in individual clock cycles from the QRNG setup under cw illumination.

Image of FIG. 3.
FIG. 3.

(a) Results of the NIST statistical tests on patterns of binary bits from the quantum RNG. All tests are passed at the significance level. (b) The proportion of passes of each NIST test for the streams.

Image of FIG. 4.
FIG. 4.

(a) Results of the DIEHARD statistical tests on a block of pattern of binary bits from the QRNG. All tests are passed at the significance level from the to . (b) Byte correlation plot of the pattern.

Image of FIG. 5.
FIG. 5.

Calculation depicting the self-differencing count rate of the detector (solid line) and the experimentally measured self-differencing output (squares) as a function of the product of photon flux and detector efficiency for a clock frequency of .

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/content/aip/journal/apl/93/3/10.1063/1.2961000
2008-07-23
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A high speed, postprocessing free, quantum random number generator
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/3/10.1063/1.2961000
10.1063/1.2961000
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