Phase noise measurement device and measurement method based on laser frequency discrimination and cross-correlation processing
A phase noise and measurement device technology, which is applied in the field of optical information processing, can solve the problems that radio frequency devices cannot meet the measurement requirements, the delay line adjustable range is low, and the frequency offset range is low, so as to improve the offset frequency range and adjust The effect of wide range and improved noise sensitivity
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[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments, but the protection scope of the present invention is not limited to the following embodiments.
[0023] In this example, if figure 1 As shown, the phase noise measurement device based on laser frequency discrimination and cross-correlation processing includes a signal source to be tested 1, a laser source module 2, a laser source module 3, a delay line module 4, a delay line module 5, an optoelectronic mixing module 6, an optoelectronic Frequency mixing module 7, photoelectric conversion module 8, photoelectric conversion module 9, data acquisition and cross-correlation algorithm processing module 10:
[0024] The output end of the signal source 1 to be tested is divided into four, two of which are connected with the photoelectric mixing source module 6 described in the first measurement link and the photoelectric mixing source module 6 described in the...
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