Review of: "Designing and modeling microwave photonic spectral filters based on optical microcombs"
Résumé
Potential competing interests: No potential competing interests to declare.1. How do the contributions of different error sources in Figure 9 affect the overall distortions of LPFs, BPFs, and HPFs?Are there specific error sources that have a greater impact on the filter performance than others?2. In Figure 9, what insights can be gained from comparing the RF amplitude response of the filter outputs with and without experimental errors?How do these deviations from the ideal filter response influence the actual output signal?3. Regarding the influence of signal bandwidth in practical signal filtering, how does the limited operation bandwidth of the microcomb-based MWP transversal filter introduce additional errors when processing wideband signals?How do these errors contribute to deviations from the ideal output signal?4. In Figure 10, how do the filter outputs of input Gaussian pulses with different spectral bandwidths for LPFs, BPFs, and HPFs compare to the ideal outputs?What can be observed about the impact of experimental errors on the filter performance for different input signal bandwidths? 5. Based on the physical processes of signal delay and summation in the transversal filter, how can the filter output be expressed assuming all the components are error-free?How do deviations from this ideal expression, caused by experimental errors, affect the overall filter performance?6.In Figure 10(iv), how do the corresponding RMSEs of the filter outputs vary with different input signal bandwidths?How do the curves for the filter outputs without and with experimental errors differ?What implications does this have for the accuracy and effectiveness of the filter in practical applications?7. Considering both Figures 9 and 10, what are the main challenges and limitations faced when implementing microcombbased MWP transversal filters in real-world scenarios?How might these challenges be addressed to further improve their performance?8.In light of the overall findings and analysis presented in the manuscript, what are the potential implications and applications of microcomb-based MWP transversal filters for microwave signal processing?How do they compare to other existing filtering techniques in terms of performance, efficiency, and versatility?9.The abstract provides a concise overview of the main focus and contributions of the manuscript, highlighting the use of microcomb-based microwave photonic (MWP) transversal filters for signal filtering.It would be beneficial to include
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