Sabah al-ithawi

6 Questions 1 Answers 0 Followers

Questions related from Sabah al-ithawi

How to create a ridge waveguide at 70-degree angle by Rsoft software ?

Hi everyone, in Rsoft there are choose to select ridge waveguide, However the profile index is step ( 90 degree-angle ) so, i want to create ridge waveguide at 70 degree . could you please guide...

08 September 2023 1,297 1 View

How to add lithium niobate (LN) material to material database of FDTD lumerical ?

Hello everyone, I want to add the lithium niobate (LN) material to a material database of FDTD lumerical . Regards

27 October 2022 1,729 2 View

Error in Charge-Lumerical : No electrical martial properties are defined for domain 1 ?

I used the devise suite in Lumerical -charge to design an electro-optic modulator,I created my device, however, an error message appeared as No electrical martial properties are defined for domain...

21 October 2022 4,857 0 View

How calculate the coupling coefficient κ measures the spatial overlap between the two coupled modes over the grating area by live link COMSOL-MATLl ?

Hi everyone, Could you please explain how calculating the coupling coefficient κ measures the spatial overlap between the two coupled modes over the grating area by live link COMSOL-MATLlab?

16 September 2022 8,398 0 View

How calculate the extinction ratio (ER) of waveguide ?

I can’t distinguish between TE and TM? I used the wave optics module, physics ( ewfd ) also physics (ewbe) then I used global evaluation then transmission but I can’t distinguish between TE...

07 June 2022 3,616 2 View

How distinguish the effective refractive index between TM and TE by COMSOL?

Hi guys I designed a PSR waveguide (one input and two output) , I want to calculate the n effe VS width .Could you please tell me how can I distinguish the effective refractive index between TM...

24 January 2022 411 0 View