Parviz Saeidi

9 Questions 17 Answers 0 Followers

Questions related from Parviz Saeidi

How to remove radiations in silicon substrate in the simulation?

I designed a plasmonic slot waveguide using gold on top of the 2 micron oxide layer and below the oxide layer, I used silicon as substrate. the idea is to optimize the waveguide dimensions (slot...

02 November 2020 4,547 3 View

How to calculate the group velocity using Comsol?

Hi, I designed the cross section of the plasmonic slot waveguide using wave optics module in comsol. I used mode analysis method and now I am going to calculate the group velocity of my structure....

23 September 2020 3,003 3 View

How to calculate the dispersion diagram of the waveguides??

I designed a plasmonic waveguide using gold as noble metal using Comsol and the structure is asymmetric. I mean the substrate and superstrate have different materials and they are dielectrics. my...

18 July 2020 8,525 0 View

Can any one know how the mode excited in mode analysis study within Comsol?

I want to know how the modes are excited when we use mode analysis study in Comsol? when we use boundary mode analysis in Comsol, the modes excited using ports we create. what about the excitation...

24 May 2020 679 9 View

How to optimize the evanescent field ratio (EFR) of plasmonic waveguides?

I designed 2D plasmonic strip and also slot waveguides using metal by means of Comsol and I am going to reach the maximum EFR versus width and height of the waveguide. I calculated EFR using...

30 March 2020 5,615 7 View

How to optimize the parameters of slot waveguide using COMSOL?

I designed a plasmonics slot waveguide using Comsol but I want to know the steps of optimization of evanescent field ratio(EFR) versus slot height and width. The problem is with the increase of...

19 March 2020 3,358 6 View

Relation between the effective mode index and the attenuation coefficient?

can any one know about the relationship between the effective mode index of a mode and its attenuation coefficient. I want to calculate the propagation length of plasmonic slot waveguide I...

09 March 2020 7,340 6 View

How to calculate propagation length using mode analysis study in Comsol?

I designed a 2D slot waveguide using mode analysis study in Comsol multiphysics and I want to calculate the propagation length of the mode we obtained. The mode analysis provide us propagation...

08 March 2020 7,712 1 View

How can I calculate effective mode index of waveguides analytically?

I am simulating slot waveguide using mode analysis in wave optics module performed in COMSOL multiphysics. I got the results and also the effective mode index for our mode. however, when I...

27 February 2020 8,667 4 View