Optical fiber delay line structure having positive and negative delay function and method
A technology of optical fiber delay line and function, which is applied in the field of optical fiber delay line structure, can solve the problems of insufficient flexibility and achieve the effect of increasing the probability of success and increasing flexibility
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[0018] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
[0019] The specific implementation method of the present invention is to connect an ordinary optical fiber delay line structure S1 that can produce 0 to M unit delays and an ordinary optical fiber delay line structure S2 that can produce 0 to N unit delays in series to form a new optical fiber delay The line structure S, S1 and S2 exist as substructures of S, and are controlled by the optical switch control module in S. figure 1 It is a schematic diagram of the structure of a fiber delay line with positive and negative delay functions. It should be noted that the present invention only requires that S1 can produce a delay of 0 to M units, and S2 can produce a delay of 0 to N units, and there is no special requirement for their internal structure to be parallel, series or hybrid, but For clarity of description, the following takes the parallel structu...
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