Optical analog-to-digital conversion architecture based on photon parallel sampling and implementation method thereof
The invention discloses an optical analog-to-digital conversion architecture based on photon parallel sampling. Based on a photonics technology, an optical sampling clock with the repetition frequencyof fs is decomposed into N paths; the relative delay of each path is controlled to be 1/(fs*N), then...
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Zusammenfassung: | The invention discloses an optical analog-to-digital conversion architecture based on photon parallel sampling. Based on a photonics technology, an optical sampling clock with the repetition frequencyof fs is decomposed into N paths; the relative delay of each path is controlled to be 1/(fs*N), then N paths of optical sampling clocks with equal time intervals are respectively input into N identical photon sampling gates, photon parallel sampling is completed, and optical analog-to-digital conversion with the actual total sampling rate of N*fs for the same sampled signal source is realized. According to the architecture, an optical analog-to-digital conversion system with a high sampling rate can be realized based on a low-speed optical sampling clock, and the design requirement on the optical sampling clock is reduced. The complexity of a demultiplexing module in the system is simplified, and the optical path loss can be effectively reduced. The architecture is expected to become a solution of a next-generati |
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