High-speed low-noise single-photon detection system of ultrashort pulse gating
A single-photon detection and ultra-short pulse technology, which is applied in the direction of instruments, can solve the problems of reducing avalanche signal amplitude, limited operating frequency range, and destroying signal integrity, so as to expand operating frequency, reduce effective pulse width, and reduce errors. The effect of counting
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[0021] In order to make it easy to understand the technical means, creative features, objectives and effects achieved by the present invention, the following embodiments will specifically illustrate the ultrashort pulse gated high-speed and low-noise single-photon detection system of the present invention in conjunction with the accompanying drawings.
[0022] figure 1 It is the principle block diagram of the ultrashort pulse gated high-speed and low-noise single-photon detection system in the embodiment of the present invention; and figure 2 It is a device structure diagram of an ultrashort pulse gated high-speed low-noise single-photon detection system in an embodiment of the present invention.
[0023] Such as figure 1 , 2 As shown, the ultrashort pulse gated high-speed low-noise single-photon detection system 100 includes a gate pulse signal generator 10, a single-photon generator 20, a capacitive balance circuit 30, a low-pass filter circuit 40, and a signal processing circuit ...
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