Photon counting type communication receiving device with photon number resolution
A photon counting and communication receiving technology, applied in the field of low-light communication, can solve the problem that the bit error rate cannot be further reduced, and achieve the effect of reducing the bit error rate, reducing the bit error rate, and high sensitivity
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[0024] The photon counting type communication receiving device and receiving method with photon number resolution of the present invention will be further described in detail below with reference to specific examples and accompanying drawings.
[0025] see figure 1 , the device of the present invention comprises receiving lens 1 (model: N-BK7 LA1238 manufacturer: Thorlabs); Interference filter 2 (model: FL532-1 manufacturer: Thorlabs); Photomultiplier tube 3 (model: 9102B manufacturer: ET-enterprise ) with a dark current of 0.05nA and a gain of 5.6×10 6 ; Amplifier 4 (Model: AMC1200 Manufacturer: TexasInstrument), the input voltage range is 0 ~ 250mV, the output is 3 ~ 5V adjustable; please refer to image 3, the multistage comparator 5 is made of three micro-power comparison chips (model: TLV1702 manufacturer: Texas Instrument), and the multi-photon counter 6 is formed of a field programmable logic gate array (model: XC6SLX16-2CSG324I manufacturer: Xilinx); solution The mod...
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