High-Peak Power Frequency Modulation Pulse Generation in Cascaded Fiber Configurations with Inscribed Fiber Bragg Grating Arrays

Round 1

Reviewer 1 Report

The authors presented the theoretically analysis and simulation of high-peak power lasers. The proposed approach is based on cascading one active and one passive optical fiber with fiber Bragg gratings arrays, leading to the amplification and temporal compression.

In my opinion the paper is well written and a good set of theoretically and simulation results is presented. The paper can be accepted for publication in Photonics MDPI Journal after the following suggestions are addressed:  

• Regarding FBGs types. Which type of FBG (Type I or II) is useful for this application? This is important since depending on the optical fiber (photosensitive or not) different inscription methods are required, leading to different spectral characteristics. Please, discuss about it;
• Is it relevant which type of active fiber is used for the proposed approach? for instance, Erbium or Ytterbium doped fiber?
• According to the MDPI template. Please, punctuate equations as regular text;
• In addition to the color, it is recommended to use different line styles. This is useful, for instance, for black and white printed version of the manuscript and for people with color blindness;
• Please, separate the values from the units;
• Line 33, USP acronym has been already introduced in line 25;
• Line 63, GVD acronym has been already introduced in line 39;

Author Response

Dear Editor, Reviewers

thank you very much for your interest in our manuscript (ID photonics-1407120) "High-peak power frequency modulation pulse generation in the cascaded fiber configurations with the inscribed fiber Bragg grating arrays " by A. Abramov et al. We appreciate valuable analysis of manuscript provided by the Reviewers. We find most of the Reviewers comments very helpful in making more clear presentation of our results. Please, find enclosed the revised version of the manuscript and detailed responses to the Reviewers’ comments. We hope after revision the manuscript deserves publication in the journal Photonics. All the changes are highlighted in brown in the body of manuscript.

Author Response File: Author Response.docx

Reviewer 2 Report

The paper reports a theoretical formalism for high-peak power frequency modulation pulse generation in the cascaded fiber configurations with the inscribed FBG arrays. I have some comments:

1. Introduction needs a better consideration about the importance of FBG for general application to justify the maturity and well stablished of technology. Please consider: Optics & Laser Technology 112, 77-84, 2019; Advanced Photonics Research 2 (2), 2000003, 2021.
2. How the optimal parameters were found for such formalism?
3. In real scenario, what this formalism can be explored and set-up? Please add to the manuscript something.
4. What kind of FBG could be considered?Uniform, phase-shifted, chirped? Please add some details and discussion.
5. Some typos and english double checking is needed

Author Response

Dear Editor, Reviewers

thank you very much for your interest in our manuscript (ID photonics-1407120) "High-peak power frequency modulation pulse generation in the cascaded fiber configurations with the inscribed fiber Bragg grating arrays " by A. Abramov et al. We appreciate valuable analysis of manuscript provided by the Reviewers. We find most of the Reviewers comments very helpful in making more clear presentation of our results. Please, find enclosed the revised version of the manuscript and detailed responses to the Reviewers’ comments. We hope after revision the manuscript deserves publication in the journal Photonics. All the changes are highlighted in brown in the body of manuscript.

Author Response File: Author Response.docx

Round 2

Reviewer 2 Report

The paper can be published