Integrated Fabry–Perot Cavities: A Quantum Leap in Technology

Round 1

Reviewer 1 Report

Comments and Suggestions for Authors

The study of the integrated Fabry-Perot cavities (IFPCs) is one of the current research hotspots, and the adenvt,  design, applications and main properties of IFPCs  are shown in this paper. The main properties descriptions both from the classical an quantum point of view are scientifically sound. 

Author Response

I would like to thank the reviewer for his time and comments. I tried to provide some more insights and corrected some typos and awkward english.

Reviewer 2 Report

Comments and Suggestions for Authors

 

The paper "Integrated Fabry-Perot Cavities: Quantum Leap in Technology" by Philippe Velha is a popular review of the basic properties of Fabry-Perot micro-cavities from classical and quantum points of view. The article presents some of the major results obtained in the last decade. The article can be useful for students who want to get an initial introduction to Cavity Quantum Electro Dynamic. I believe that the article can be published as a popular article. 

Author Response

I would like to thank the reviewer for his/her time and comments. I tried to provide some more insights and corrected some typos and awkward english.

Reviewer 3 Report

Comments and Suggestions for Authors

The author has well introduced the idea of on-chip FP cavity for potential quantum light applications. From the basic construction through photonic crystal nanobeam, to the cavity QED & Purcell effect, the article well describes the fundamental concept associated with the on-chip FP cavity. The organization is clear & the concepts are well illustrated. I do have some suggestions to improve the current writing:

1.      In terms of generating quantum light, one has to integrate the quantum dot or through second-order nonlinearity , I strongly suggest the author to make up these two sections, otherwise it is meaningless to talk about quantum QED.

 

2.      In the first introduction part, it is worth mentioning why FP cavity. For example, as compared to other on-chip solution, e.g. whispering gallery type, 2D-photonic crystal, plasmonic cavity, in terms of Q or Q/V. 

Author Response

I would like to thank the reviewer for his time and comments. I tried to provide some more insights and corrected some typos and awkward english.

In particular, I added clear references (ref 8 to 15) to other types of cavities: whispering gallery type (microring,microdisk,microtoroid), 2D-photonic crystal cavities , plasmonic cavity and metamaterials as well. The reviewer is right to mention that it is important to present other types of cavities to confront it with IFPC.

Thank you for your suggestion, I clearly added that the insertion of any QD needs to be done and stressed that as of today it is still quite challenging.

In particular, I added references on some extensive work done by Lonkar's group on this field.

I believe that I addressed the 2 main points mentioned by the reviewer.

 

Round 2

Reviewer 3 Report

Comments and Suggestions for Authors

the author has addressed all my previous concerns