Encoder and decoder for quantum cryptographic communication
A quantum cryptography and encoder technology, which is applied in photon quantum communication and key distribution, can solve problems such as heat generation, time extension, and system stability impact, and achieve the effect of solving the speed limit and reducing the difficulty of implementation
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[0030] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the description process, details and functions that are not necessary for the present invention are omitted to prevent confusion about the understanding of the present invention.
[0031] First, combine figure 1 , The optical encoder 1000 according to the present invention will be described in detail, figure 1 It is a schematic block diagram of an optical encoder 1000 according to the present invention.
[0032] Such as figure 1 As shown, the optical encoder 1000 includes: a first optical switch element 1030 1 And the first coded interferometer 1040 1 The first branch constituted; by the second optical switch element 1030 2 And the second coded interferometer 1040 2 The second branch constituted; by the third optical switch element 1030 3 And the third coded interferometer 1040 3 The third branch constituted; by the fourth optical switch element ...
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