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Volume 2
Issue 3
10.3390/opt2030018
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Article
Peer-Review Record

High Quality Factor Silicon Membrane Metasurface for Intensity-Based Refractive Index Sensing

Optics 2021, 2(3), 193-199; https://doi.org/10.3390/opt2030018
by Andrea Tognazzi 1,2, Davide Rocco 1,2, Marco Gandolfi 1,2, Andrea Locatelli 1,2, Luca Carletti 1,2 and Costantino De Angelis 1,2,*
Reviewer 1: Anonymous
Reviewer 2: Anonymous
Optics 2021, 2(3), 193-199; https://doi.org/10.3390/opt2030018
Submission received: 3 August 2021 / Revised: 27 August 2021 / Accepted: 2 September 2021 / Published: 6 September 2021
(This article belongs to the Special Issue Feature Papers in Optics)

Round 1

Reviewer 1 Report

This paper reports a simulation study of a potential high quality factor silicon membrane metasurface for intensity-based RI sensing. I have some comments to do.

  1. Introduction needs to be enriched with more impact literature about applications. Please read and include: Journal of Lightwave Technology 39 (12), 4069-4081, 2021;  Optics Express 28 (13), 19740-19749, 2020; APL Photonics 5 (7), 076101, 2020.

2. How about the wavelength region that authors used? Why this? Please add details.

3. Details about how we can go further with experimental setup and results.

4. Figure 4. How about the use of more disks? Please comment

5. How was found the optimal parameters for simulation? Please add some words about.

Author Response

Please see the attachment.

Author Response File: Author Response.docx

Reviewer 2 Report

In the manuscript ' High quality factor silicon membrane metasurface for intensity-based refractive index sensing, ' the authors Tognazzi et al reported their research on an all-optical and refractive-index-sensitive sensing device and conducted some demonstration on its feasibility. Frankly, this is not a completed manuscript which needs to answer several questions before being accepted as the publication of Optics.

  1. In the introduction, the authors should discuss more details on the optical sensing's applications in chemistry and biology
  2. The authors missed the description of the setup testing the sensor which should be added
  3. That is really confusing that the authors claimed they contributed equally to the manuscript, this should be claimed more seriously
  4. Based on the technology parameters, the future applications of the devices should also be added and discussed or the readers can not reach out to the meaning of the research 

Author Response

Please see the attachment

Author Response File: Author Response.docx

Round 2

Reviewer 1 Report

The paper is ready for publication

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