A device and method for simulating a single-photon pulse signal source
A pulse signal source and pulse signal technology, applied in the field of random signal sources, can solve the problems of fragile and expensive single-photon detectors, and achieve the effect of high flexibility and good simulation.
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[0036] Below in conjunction with accompanying drawing and embodiment the present invention is further described:
[0037] see Figure 1-5 .
[0038] The invention relates to a device for simulating a single photon pulse signal source, such as figure 1 , comprising a quartz crystal oscillator 1, more than three low-speed Poisson pulse generators 2 and a multi-input logic OR gate circuit, eight low-speed Poisson signal generators in this embodiment;
[0039] The quartz crystal oscillator 1 is used to generate a 50M reference clock signal, and each pulse generator 2 is connected in parallel;
[0040] The structure of each low-speed Poisson pulse generator 2 is as follows figure 2 As shown, its output terminals are respectively connected to the input terminals of the multi-input logic OR gate circuit;
[0041] The multi-input logical OR gate circuit outputs an analog single photon pulse signal.
[0042] Described low-speed Poisson pulse signal generator 2 comprises frequency...
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