Secure and high-speed key distribution system and method
A key distribution system and key distribution technology, applied in the field of key distribution, can solve the problems of slow key distribution rate and poor security of key distribution technology
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Embodiment 1
[0037] A safe and high-speed key distribution system, including broadband noise-like driving source 1, 1×2 main fiber coupler 2, 1×2 left fiber coupler 3a1, 1×2 right fiber coupler 3b1, 2 left filter selectors frequency converter, 2 right filter frequency selectors, 2 left optical feedback chaotic semiconductor lasers, 2 right optical feedback chaotic semiconductor lasers, left electro-optical modulation system 6a1, right electro-optical modulation system 6b1, left storage channel 7a1, right storage channel 7b1 , 2×1 left fiber coupler 8a1, 2×1 right fiber coupler 8b1, left photodetector 9a1, right photodetector 9b1, left analog-to-digital converter 10a1, right analog-to-digital converter 10b1, left memory 11a1, right memory 11b1, common channel 12;
[0038] Among them, the output end of broadband noise-like driving source 1 is connected to the input end of 1×2 main fiber coupler 2; the two output ends of 1×2 main fiber coupler 2 are respectively connected to the input of 1×2 ...
Embodiment 2
[0052] A safe and high-speed key distribution system, including broadband noise-like driving source 1, 1×2 main fiber coupler 2, N-1 1×2 left fiber couplers, N-1 1×2 right fiber couplers , N left filter frequency selectors, N right filter frequency selectors, N left optical feedback chaotic semiconductor lasers, N right optical feedback chaotic semiconductor lasers, left electro-optic modulation system 6a1, right electro-optic modulation system 6b1, left storage channel 7a1, right storage channel 7b1, N-1 2×1 left fiber couplers, N-1 2×1 right fiber couplers, left photodetector 9a1, right photodetector 9b1, left analog-to-digital converter 10a1, Right analog-to-digital converter 10b1, left memory 11a1, right memory 11b1, common channel 12; N is a positive integer, and N≥3;
[0053] Among them, the output end of the broadband noise-like driving source 1 is connected to the input end of the 1×2 main fiber coupler 2; the two output ends of the 1×2 main fiber coupler 2 are respect...
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