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An Description Of An Exact Dissipation Model For Arbitrary

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Referee Report: Manuscript ID# OL: 280139

PAPER DESCRIPTION
In the paper titled “An exact dissipation model for arbitrary photonic Fock state transport in waveguide QED systems”, Chen et al. have presented a dissipation model to study the Fock and coherent state transport through waveguide QED (wQED) systems. As the main novelty of their work, they have modelled the environment as a 3D scattering channel (described in a real-space picture similar to the waveguide modelling) and it has been shown that a reduced Hamiltonian can be obtained for arbitrary photon number Fock state which can describe the photonic transport with a restricted eigenstate. To illustrate, one-, two-, N-photon and coherent state examples are presented. Finally, two simple geometries of the scattering channel are considered namely the uniform medium and a slab waveguide. Authors have also very briefly pointed out the applicability of their model in cavity QED.

COMMENTS AND DECISION
Overall the paper has interesting findings and is systematically presented. In particular, the modelling of the environment as a non-excitable 3D scattering channel, is the key attraction in this work. Moreover, the authors have made claims which seems not to be exaggerated. However, there are some points in this work which can be ambiguous to the interested reader. Therefore, I can recommend publication of this paper in the Optics Letters, provided the authors performs the following revisions:

QUESTIONS AND CONCERNS

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