A photonic analog-to-digital conversion system and method based on an asymmetric digital encoding scheme
A technology of digital encoding and analog-to-digital conversion, applied in optical analog/digital converters, optics, instruments, etc., can solve the problem of low bit precision, achieve the effect of improving bit precision, improving scalability and integration, and simplifying implementation
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[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0029] like figure 1As shown, a photonic analog-to-digital conversion system based on an asymmetric digital coding scheme proposed by the present invention includes a femtosecond pulse laser 1, a first optical beam splitter 2, a first electro-optic modulator 3, a signal generator 4, and a first Two electro-optic modulators 5, a first DC power supply 6, a second DC power supply 7, a second optical beam splitter 8, a photodetector array 9, a comparator array 10, a combination logic module 11; the femtosecond pulsed laser 1 is connected to the first optical beam splitter 2; one output end of the first optical beam splitter 2 is connected to the first electro-optical modulator 3 and the second optical beam splitter 8 in sequence; the other of the first optical b...
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